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am
ewo
r
k
,
Ox
y
g
e
n
Fo
r
en
s
ic®
Dete
ctiv
e
g
u
ar
an
tees
co
m
p
lian
ce
with
b
est
p
r
ac
tices
an
d
s
tan
d
ar
d
s
p
er
tin
en
t
to
d
ig
ital
f
o
r
en
s
ic
i
n
q
u
ir
ies,
u
ltima
tely
r
en
d
er
in
g
it
a
f
o
r
m
id
ab
le
r
eso
u
r
ce
f
o
r
f
o
r
en
s
ic
s
p
ec
ialis
ts
am
id
s
t
th
e
co
n
ti
n
u
ally
e
v
o
lv
in
g
cy
b
e
r
en
v
ir
o
n
m
en
t
to
d
ay
[
5
]
.
I
n
s
cr
u
tin
izin
g
th
e
NI
ST
cy
b
er
s
ec
u
r
ity
f
r
am
ew
o
r
k
,
it
b
ec
o
m
es
im
p
er
ativ
e
to
tak
e
in
t
o
a
cc
o
u
n
t
its
f
u
n
ctio
n
in
th
e
im
p
r
o
v
em
e
n
t
o
f
th
e
o
v
er
all
c
y
b
er
s
ec
u
r
ity
p
o
s
tu
r
e
with
in
e
n
titi
es.
T
h
e
f
r
am
e
wo
r
k
,
b
y
v
ir
tu
e
o
f
p
r
esen
tin
g
a
co
m
p
r
eh
e
n
s
iv
e
o
u
tlin
e
o
f
o
p
tim
al
p
r
ac
tic
es
an
d
g
u
id
elin
es,
aid
s
in
th
e
id
en
tific
atio
n
,
s
af
eg
u
ar
d
in
g
,
d
etec
tio
n
,
r
esp
o
n
s
e,
an
d
r
ec
o
v
er
y
in
r
eg
a
r
d
to
cy
b
er
th
r
ea
ts
.
Ad
d
itio
n
ally
,
it f
o
s
ter
s
a
r
is
k
-
b
ased
m
eth
o
d
o
l
o
g
y
wh
ich
p
er
m
its
o
r
g
an
izat
io
n
s
to
ef
f
icac
io
u
s
ly
p
r
io
r
itize
r
eso
u
r
ce
s
co
n
tin
g
en
t
u
p
o
n
th
eir
d
is
tin
ctiv
e
r
is
k
p
r
o
f
ile.
T
h
e
a
m
alg
am
atio
n
o
f
th
e
NI
ST
f
r
a
m
ewo
r
k
with
p
o
ten
t
a
n
aly
tica
l
in
s
tr
u
m
en
ts
s
u
ch
as
tim
elin
e,
s
o
cial
g
r
ap
h
,
im
a
g
e
ca
teg
o
r
izatio
n
,
f
ac
ial
ca
teg
o
r
i
za
tio
n
,
m
ap
s
,
d
ata
s
ea
r
ch
,
k
e
y
ev
id
e
n
ce
,
o
p
tical
ch
ar
ac
ter
r
ec
o
g
n
itio
n
,
s
tatis
tic
s
,
an
d
tr
an
s
latio
n
m
o
d
u
le
ca
n
f
u
r
th
er
au
g
m
en
t
cy
b
er
s
ec
u
r
ity
en
d
ea
v
o
r
s
.
T
h
ese
in
s
tr
u
m
en
ts
f
ac
ilit
ate
p
r
o
f
icien
t
d
ata
an
aly
s
is
,
v
is
u
aliza
tio
n
,
an
d
th
e
ex
tr
ac
tio
n
o
f
s
ig
n
if
ic
an
t
in
s
ig
h
ts
,
th
er
eb
y
ass
i
s
tin
g
o
r
g
a
n
izatio
n
s
in
r
em
ain
in
g
a
h
ea
d
o
f
th
e
s
h
if
tin
g
la
n
d
s
ca
p
e
o
f
c
y
b
er
th
r
ea
ts
.
B
y
h
ar
n
ess
in
g
th
e
NI
ST
f
r
am
ewo
r
k
i
n
co
n
ju
n
ctio
n
with
s
o
p
h
is
ticated
an
aly
tical
to
o
ls
,
o
r
g
an
izatio
n
s
ca
n
b
o
ls
ter
th
eir
ca
p
ac
ity
to
av
er
t
,
d
etec
t,
an
d
r
esp
o
n
d
to
cy
b
er
s
ec
u
r
ity
in
cid
en
ts
in
a
n
ef
f
ec
tiv
e
m
an
n
er
[
6
]
.
W
ith
in
th
e
d
o
m
ain
o
f
d
i
g
ital
f
o
r
en
s
ics,
th
e
im
p
lem
en
tatio
n
o
f
an
aly
tic
i
n
s
tr
u
m
en
ts
h
o
ld
s
a
cr
u
cial
s
ig
n
if
ican
ce
in
am
p
lify
in
g
in
v
esti
g
ativ
e
f
u
n
ctio
n
alitie
s
an
d
o
p
tim
izin
g
th
e
ex
a
m
in
atio
n
p
r
o
ce
d
u
r
e
.
I
n
s
tr
u
m
en
ts
s
u
ch
as
tim
elin
e,
s
o
cial
g
r
ap
h
,
im
ag
e
c
ateg
o
r
izatio
n
,
a
n
d
f
ac
ial
ca
te
g
o
r
izatio
n
af
f
o
r
d
in
v
esti
g
ato
r
s
s
tr
ea
m
lin
ed
m
o
d
alities
to
v
is
u
alize
an
d
s
cr
u
tin
ize
d
ig
ital
ev
id
en
ce
,
th
e
r
eb
y
r
ev
ea
lin
g
ess
en
tial
in
s
ig
h
ts
th
at
m
ay
h
av
e
b
ee
n
m
is
s
ed
[
7
]
.
T
h
e
m
ap
s
in
s
tr
u
m
en
t
f
ac
ilit
ates
g
eo
s
p
atial
an
aly
s
is
,
p
er
m
itti
n
g
in
v
esti
g
ato
r
s
to
m
o
n
ito
r
t
h
e
m
o
v
em
en
ts
o
f
i
n
d
iv
id
u
als
an
d
co
m
p
r
eh
en
d
th
e
s
itu
atio
n
al
co
n
tex
t
o
f
th
eir
ac
tio
n
s
.
Mo
r
eo
v
er
,
ca
p
ab
ilit
ie
s
lik
e
d
ata
s
ea
r
ch
,
k
e
y
e
v
id
en
ce
,
an
d
o
p
tical
ch
ar
ac
ter
r
ec
o
g
n
itio
n
s
u
p
p
o
r
t
th
e
r
ap
id
i
d
en
tific
atio
n
o
f
ess
en
tial
in
f
o
r
m
atio
n
,
wh
ile
s
tatis
tics
an
d
tr
an
s
latio
n
m
o
d
u
les
p
r
o
v
id
e
c
o
m
p
r
e
h
en
s
iv
e
an
aly
s
is
an
d
in
te
r
p
r
etatio
n
o
f
d
ata.
T
h
r
o
u
g
h
th
e
in
teg
r
atio
n
o
f
th
ese
an
aly
tic
i
n
s
tr
u
m
en
ts
with
i
n
d
ig
ital
f
o
r
en
s
ics
m
eth
o
d
o
lo
g
ies,
p
r
ac
titi
o
n
er
s
ca
n
b
o
ls
ter
th
eir
p
r
o
f
icien
cy
in
d
r
awin
g
s
ig
n
if
ican
t
in
f
o
r
m
atio
n
f
r
o
m
d
ig
ital
ar
tifa
cts
an
d
u
n
ea
r
th
in
g
v
ital
ev
id
en
ce
t
h
at
aid
s
in
v
e
s
tig
atio
n
s
ef
f
ec
tiv
ely
.
T
h
e
d
ilig
en
t
ap
p
licatio
n
o
f
th
ese
in
s
tr
u
m
en
ts
is
in
alig
n
m
en
t
with
th
e
NI
ST
c
y
b
er
s
ec
u
r
ity
f
r
am
ewo
r
k
s
p
r
in
cip
les
s
u
r
r
o
u
n
d
in
g
d
etec
tio
n
an
d
r
esp
o
n
s
e,
th
er
eb
y
en
h
an
ci
n
g
th
e
o
v
er
ar
c
h
in
g
c
y
b
er
s
ec
u
r
ity
s
tan
ce
o
f
o
r
g
an
izatio
n
s
[
8
]
.
An
aly
tic
ap
p
ar
at
u
s
es
h
o
ld
a
s
ig
n
if
ican
t
p
o
s
itio
n
in
t
h
e
au
g
m
en
tatio
n
o
f
th
e
ef
f
ec
tiv
e
n
ess
o
f
d
ig
ital
f
o
r
en
s
ic
s
cr
u
tin
y
.
T
h
e
Ox
y
g
e
n
Fo
r
en
s
ic®
Dete
ctiv
e
s
o
f
twar
e
in
teg
r
ates
an
ex
ten
s
iv
e
v
ar
iety
o
f
in
s
tr
u
m
en
ts
in
clu
d
in
g
tim
elin
e,
s
o
cial
g
r
ap
h
,
im
ag
e
ca
teg
o
r
izatio
n
,
f
ac
ial
ca
teg
o
r
izatio
n
,
m
ap
s
,
d
ata
s
ea
r
ch
,
k
ey
ev
id
e
n
ce
,
o
p
tical
ch
ar
ac
te
r
r
ec
o
g
n
itio
n
,
s
tatis
t
ics,
an
d
tr
an
s
latio
n
m
o
d
u
le,
th
u
s
f
u
r
n
is
h
in
g
in
v
esti
g
at
o
r
s
with
a
h
o
lis
tic
to
o
lk
it.
T
h
is
in
teg
r
atio
n
f
ac
ilit
ates
a
m
eticu
lo
u
s
ex
am
in
ati
o
n
o
f
d
ig
ital
e
v
id
en
ce
am
ass
ed
f
r
o
m
m
a
n
if
o
ld
s
o
u
r
ce
s
.
B
y
em
p
lo
y
i
n
g
th
es
e
ap
p
ar
atu
s
es,
ex
am
i
n
er
s
ar
e
ca
p
ab
le
o
f
r
ev
ea
lin
g
o
b
s
cu
r
ed
co
n
n
ec
tio
n
s
,
s
cr
u
tin
izin
g
co
m
m
u
n
icatio
n
tr
en
d
s
,
o
r
g
an
izin
g
im
ag
er
y
,
ex
t
r
ac
tin
g
v
ital
d
ata
f
r
o
m
d
o
c
u
m
en
tatio
n
,
an
d
ev
e
n
r
en
d
er
in
g
tr
an
s
latio
n
s
o
f
f
o
r
ei
g
n
lan
g
u
a
g
es
f
o
r
en
h
a
n
ce
d
u
n
d
er
s
tan
d
in
g
.
T
h
e
ad
ap
tab
ilit
y
an
d
p
r
o
d
u
ctiv
ity
o
f
th
ese
an
aly
tic
to
o
ls
co
n
s
id
er
ab
ly
s
tr
ea
m
lin
e
th
e
in
v
esti
g
ativ
e
en
d
ea
v
o
r
,
allo
win
g
e
x
am
in
er
s
to
d
er
iv
e
ac
tio
n
ab
le
in
tellig
en
ce
f
r
o
m
l
ar
g
e
d
ata
s
ets
in
a
p
r
o
m
p
t
m
an
n
er
[
9
]
.
C
o
n
s
eq
u
en
tly
,
th
is
im
p
r
o
v
es
b
o
th
th
e
o
v
er
all
ef
f
icac
y
an
d
p
r
ec
is
io
n
o
f
f
o
r
en
s
ic
ev
alu
atio
n
s
.
T
h
e
an
aly
tical
in
s
tr
u
m
en
ts
av
ailab
le
with
in
Ox
y
g
en
Fo
r
en
s
ic®
Dete
ctiv
e
p
r
esen
t
a
b
r
o
ad
s
p
ec
tr
u
m
o
f
f
u
n
ctio
n
alities
th
at
co
r
r
el
ate
with
th
e
p
r
in
cip
al
o
b
jectiv
es
ar
ticu
lated
with
in
th
e
NI
ST
cy
b
er
s
ec
u
r
ity
f
r
am
ewo
r
k
.
T
o
illu
s
tr
ate,
th
e
tim
elin
e
to
o
l
p
lay
s
a
p
iv
o
tal
r
o
le
f
o
r
i
n
v
esti
g
ato
r
s
aim
in
g
to
p
iece
to
g
et
h
er
ev
en
ts
an
d
ch
r
o
n
o
lo
g
ical
s
eq
u
en
ce
s
,
th
u
s
b
o
ls
ter
in
g
th
e
d
etec
t
f
u
n
ctio
n
b
y
o
f
f
e
r
in
g
in
s
ig
h
ts
in
to
p
o
s
s
ib
le
th
r
ea
ts
.
Similar
ly
,
th
e
s
o
cial
g
r
ap
h
t
o
o
l
s
ig
n
if
ican
tly
am
p
lifie
s
th
e
awa
r
en
ess
o
f
i
n
ter
p
er
s
o
n
al
r
elatio
n
s
h
ip
s
an
d
co
n
n
ec
tio
n
s
,
wh
ic
h
s
u
p
p
o
r
ts
th
e
id
en
tify
an
d
p
r
o
tect
f
u
n
ctio
n
s
th
r
o
u
g
h
th
e
d
is
ce
r
n
m
en
t
o
f
wea
k
n
ess
es
an
d
p
o
s
s
ib
le
av
en
u
es
f
o
r
attac
k
.
Fu
r
th
er
m
o
r
e,
th
e
m
o
d
u
les
f
o
r
im
ag
e
ca
teg
o
r
izatio
n
an
d
f
ac
ial
ca
teg
o
r
izatio
n
co
n
tr
ib
u
te
to
t
h
e
r
esp
o
n
d
f
u
n
ctio
n
b
y
en
a
b
lin
g
s
wif
t
r
ec
o
g
n
itio
n
o
f
s
u
s
p
ec
ts
o
r
in
d
iv
id
u
als
o
f
in
ter
est.
T
h
r
o
u
g
h
a
s
ea
m
less
in
teg
r
atio
n
o
f
th
ese
to
o
ls
in
to
th
e
in
v
es
tig
ativ
e
wo
r
k
f
lo
w,
Ox
y
g
e
n
Fo
r
en
s
ic®
Dete
ctiv
e
eq
u
ip
s
ex
am
in
er
s
to
m
an
ag
e
c
y
b
er
in
cid
e
n
ts
in
ad
h
er
e
n
ce
to
t
h
e
s
tip
u
lated
g
u
id
elin
es o
f
th
e
NI
ST
f
r
am
ewo
r
k
.
W
h
en
u
tili
ze
d
ap
p
r
o
p
r
iately
,
t
h
ese
an
aly
tical
in
s
tr
u
m
en
ts
m
ar
k
ed
ly
im
p
r
o
v
e
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o
t
h
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f
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ca
cy
an
d
p
r
ec
is
io
n
o
f
d
ig
ital in
v
esti
g
atio
n
s
[
1
0
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
7
2
2
-
3
2
2
1
C
o
m
p
u
t Sci
I
n
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T
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h
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l
,
Vo
l.
6
,
No
.
1
,
M
ar
ch
20
25
:
8
-
1
9
10
2.
NIS
T
CYB
E
RS
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CU
RI
T
Y
F
RAM
E
WO
RK
I
n
th
e
co
n
te
x
t
o
f
ex
am
i
n
in
g
d
i
g
ital
ev
id
en
ce
v
ia
Ox
y
g
en
Fo
r
en
s
ic®
Dete
ctiv
e,
th
e
ap
p
licatio
n
o
f
th
e
NI
ST
cy
b
er
s
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f
r
am
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k
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r
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s
tr
u
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eth
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o
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alu
atin
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en
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cin
g
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r
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p
r
o
to
c
o
ls
[
1
1
]
.
B
y
co
o
r
d
in
atin
g
with
th
is
f
r
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m
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te
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an
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ly
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a
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ag
ed
.
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r
atin
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th
e
p
r
in
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les
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f
th
e
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f
r
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m
e
wo
r
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with
s
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p
h
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aly
tic
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p
o
wer
s
f
o
r
en
s
ic
ex
am
in
er
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to
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f
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r
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m
eticu
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icien
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h
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r
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er
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am
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ata
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ch
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id
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itio
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s
tatis
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an
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tr
an
s
latio
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o
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les
av
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with
in
Ox
y
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r
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—
f
u
r
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er
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h
e
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f
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.
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h
e
m
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ab
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ts
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ata
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n
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ately
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en
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ca
tio
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tin
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t
to
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e
ca
s
e,
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y
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ich
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th
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co
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p
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id
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h
e
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ata
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r
ch
f
u
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f
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in
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o
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atio
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r
o
m
m
u
ltip
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o
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s
,
ass
is
t
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g
in
th
e
id
en
tific
at
io
n
o
f
cr
u
cial
d
ata
p
o
in
ts
f
o
r
f
u
r
th
e
r
s
cr
u
tin
y
.
B
o
th
k
ey
ev
id
en
ce
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d
o
p
tical
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ar
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ter
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ec
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r
e
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m
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clu
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es
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n
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o
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wh
ich
aid
s
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u
n
ea
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th
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lu
a
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ig
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ts
.
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d
itio
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s
tatis
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aly
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s
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o
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er
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d
co
n
clu
s
io
n
s
.
T
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e
tr
an
s
latio
n
m
o
d
u
le
also
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la
y
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ess
en
ti
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le
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o
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ater
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h
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s
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a
d
en
in
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e
in
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p
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th
at
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ag
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s
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o
n
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t
im
p
ed
e
an
aly
tical
en
d
ea
v
o
r
s
.
B
y
h
ar
n
ess
in
g
th
ese
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aly
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ls
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with
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ed
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b
est
p
r
ac
tices
[
1
2
]
.
2
.
1
.
Co
re
f
un
ct
io
ns
o
f
NIS
T
f
ra
m
ewo
r
k
T
h
e
NI
ST
f
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am
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ates
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iv
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u
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e
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i.e
.
,
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t,
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1
3
]
.
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ican
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an
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ely
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Fin
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e
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n
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ile
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co
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ti
n
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o
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s
ly
s
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ter
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ain
.
T
h
e
NI
ST
Fra
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,
wh
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n
co
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p
led
with
r
o
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u
s
t
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ch
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e,
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ap
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im
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o
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iz
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o
f
f
e
r
s
a
th
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r
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g
h
ap
p
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ac
h
to
m
a
n
ag
in
g
cy
b
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s
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r
ity
r
is
k
s
[
1
0
]
.
Fig
u
r
e
1
.
NI
ST
f
i
v
e
p
r
i
n
cip
al
f
u
n
ctio
n
s
Evaluation Warning : The document was created with Spire.PDF for Python.
C
o
m
p
u
t Sci
I
n
f
T
ec
h
n
o
l
I
SS
N:
2722
-
3
2
2
1
P
o
w
er o
f a
n
a
lytic
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ls
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Oxy
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F
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(
To
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S
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11
2
.
2
.
I
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ent
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t
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in dig
it
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l f
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I
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atin
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to
p
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a
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elate
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ilit
y
o
f
f
o
r
e
n
s
ic
in
v
esti
g
atio
n
s
[
1
4
]
.
Ad
d
itio
n
ally
,
t
h
e
em
p
lo
y
m
e
n
t o
f
an
aly
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ls
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u
ch
as
tim
elin
e,
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o
cial
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ap
h
,
im
a
g
e
ca
teg
o
r
iz
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n
,
an
d
f
ac
ial
ca
teg
o
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izatio
n
o
n
p
latf
o
r
m
s
lik
e
Ox
y
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Fo
r
en
s
ic®
Dete
ctiv
e
m
ay
f
u
r
th
e
r
s
im
p
lify
th
e
f
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en
s
ic
wo
r
k
f
lo
w
an
d
aid
in
t
h
e
ex
tr
ac
tio
n
o
f
s
ig
n
if
ica
n
t
in
s
ig
h
ts
f
r
o
m
d
ig
ital
ev
id
en
ce
.
Su
ch
to
o
ls
p
o
ten
tial
ly
g
r
a
n
t
in
v
esti
g
ato
r
s
en
h
an
ce
d
ab
ilit
ies
f
o
r
d
ata
s
ea
r
ch
es,
t
h
e
id
e
n
tific
atio
n
o
f
k
ey
ev
i
d
en
ce
,
an
d
th
e
c
o
n
d
u
ct
o
f
s
tatis
tical
an
aly
s
es,
u
ltima
tely
im
p
r
o
v
i
n
g
t
h
e
o
v
e
r
all
ef
f
icien
cy
an
d
p
r
ec
is
io
n
o
f
f
o
r
en
s
ic
ev
alu
a
tio
n
s
.
T
h
r
o
u
g
h
th
e
i
n
teg
r
ati
o
n
o
f
a
d
v
an
ce
d
an
aly
tic
to
o
ls
with
th
e
NI
ST
f
r
am
ewo
r
k
,
f
o
r
en
s
ic
p
r
o
f
ess
io
n
als
m
ig
h
t
elev
ate
th
eir
in
v
esti
g
ativ
e
ca
p
ab
ilit
ies
to
u
n
p
r
ec
e
d
en
ted
lev
els
wh
il
e
co
m
p
ly
in
g
with
r
ec
o
g
n
ized
b
e
s
t p
r
ac
tices with
in
th
e
cy
b
er
s
e
cu
r
ity
d
o
m
ain
[
8
]
.
2
.
3
.
Rela
t
io
ns
hip
bet
wee
n N
I
ST
f
ra
m
ewo
rk
a
nd
O
x
y
g
en
F
o
re
ns
ic®
D
et
ec
t
iv
e
Ad
d
itio
n
ally
,
th
e
in
ter
p
lay
b
etwe
en
th
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NI
ST
f
r
am
ewo
r
k
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d
Ox
y
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en
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r
e
n
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ic®
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an
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ests
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er
al
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im
en
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io
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th
at
s
er
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e
to
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o
ls
ter
e
n
d
ea
v
o
r
s
with
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th
e
r
ea
lm
o
f
d
ig
ital
f
o
r
en
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ic
in
v
esti
g
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n
.
As
an
ex
am
p
le,
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ir
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tiv
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et
f
o
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th
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y
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h
e
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f
r
a
m
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k
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eg
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r
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g
cy
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er
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ity
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is
k
m
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en
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n
f
in
d
p
r
ac
tic
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ap
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licatio
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th
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a
n
al
y
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ctiv
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ically
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s
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ap
h
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d
im
ag
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ca
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o
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izat
io
n
.
Su
ch
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o
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ls
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in
s
tr
u
m
en
tal
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d
elin
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tin
g
t
h
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co
n
n
ec
ti
o
n
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am
o
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g
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i
v
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als,
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cid
atin
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o
m
m
u
n
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n
p
atter
n
s
,
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d
class
if
y
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g
im
ag
es
to
f
ac
ilit
ate
th
e
ex
tr
ac
tio
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o
f
ev
id
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ce
.
Fu
r
th
er
m
o
r
e
,
th
e
T
r
an
s
latio
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o
d
u
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o
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ated
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Ox
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ic®
Dete
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ates
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p
r
io
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ter
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ag
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cr
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s
-
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to
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m
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n
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i
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f
o
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m
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is
s
em
in
atio
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B
y
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p
a
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f
Ox
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r
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Dete
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asp
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ts
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u
ch
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ata
ex
p
lo
r
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,
id
en
tific
ati
o
n
o
f
cr
u
cial
ev
id
en
ce
,
an
d
s
tatis
t
ical
s
cr
u
tin
y
,
in
v
esti
g
ato
r
s
ar
e
ca
p
ab
le
o
f
r
ef
in
in
g
t
h
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m
eth
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d
o
l
o
g
ies
i
n
ac
co
r
d
an
ce
with
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e
c
y
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ec
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ity
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b
jectiv
es
o
u
tlin
ed
b
y
th
e
NI
ST
f
r
am
e
wo
r
k
[
1
5
]
.
T
h
e
co
n
f
lu
en
ce
o
f
th
ese
two
f
r
am
ewo
r
k
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cu
lm
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ates
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p
ass
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s
tr
ateg
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o
r
d
i
g
ital
f
o
r
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ic
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alu
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n
,
e
n
s
u
r
i
n
g
r
ig
o
r
o
u
s
ad
h
er
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ce
t
o
th
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p
r
ev
ailin
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in
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u
s
tr
y
b
en
ch
m
ar
k
s
an
d
o
p
tim
al
p
r
ac
t
ices.
2
.
4
.
B
enef
it
s
o
f
a
lig
nin
g
a
na
ly
t
i
c
t
o
o
ls
wit
h NIS
T
f
ra
m
ewo
rk
B
y
alig
n
in
g
an
aly
tic
in
s
tr
u
m
e
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ts
with
th
e
NI
ST
c
y
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s
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r
ity
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k
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en
titi
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n
o
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t
ain
v
ar
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s
ad
v
an
tag
es
with
in
th
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d
ig
ita
l
f
o
r
en
s
ic
i
n
q
u
ir
ies.
T
h
e
NI
ST
f
r
am
ewo
r
k
o
f
f
er
s
a
s
y
s
tem
atic
m
eth
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d
o
lo
g
y
f
o
r
m
an
ag
in
g
an
d
m
itig
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c
y
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th
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s
u
p
p
ly
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s
tan
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ized
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n
ac
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lar
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o
r
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ter
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co
m
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am
o
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if
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e
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v
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W
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n
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at
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m
p
ly
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t
o
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h
m
ar
k
s
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d
s
u
p
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i
o
r
p
r
ac
tices,
th
er
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y
am
p
lify
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g
th
e
le
g
itima
cy
an
d
d
e
p
en
d
ab
ilit
y
o
f
th
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o
u
tco
m
es.
Mo
r
eo
v
er
,
u
tili
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g
in
s
tr
u
m
en
ts
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e
tim
elin
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an
a
ly
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is
,
s
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r
ap
h
v
is
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aliza
tio
n
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im
ag
e
an
d
f
ac
ial
ca
teg
o
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za
tio
n
,
m
ap
s
,
d
ata
s
ea
r
ch
f
u
n
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n
alit
ies,
id
en
tifi
ca
tio
n
o
f
k
ey
ev
i
d
en
ce
,
o
p
tical
ch
ar
ac
ter
r
ec
o
g
n
itio
n
,
s
tatis
t
ics,
an
d
tr
an
s
latio
n
m
o
d
u
les
am
i
d
th
e
ar
c
h
itectu
r
e
o
f
th
e
NI
ST
Fra
m
ewo
r
k
ca
n
s
ig
n
if
ican
tly
r
ef
i
n
e
th
e
in
v
e
s
tig
ativ
e
p
r
o
ce
d
u
r
e,
f
ac
ilit
atin
g
a
m
o
r
e
ef
f
icien
t
a
n
d
ef
f
ec
tiv
e
ex
tr
ac
tio
n
o
f
p
er
t
in
en
t
d
ig
ital
ev
id
en
ce
[
1
2
]
.
T
h
is
co
n
co
r
d
an
ce
n
o
t
o
n
ly
f
o
r
tifie
s
th
e
h
o
lis
tic
cy
b
er
s
ec
u
r
ity
s
tan
ce
o
f
an
estab
lis
h
m
en
t
b
u
t
also
e
n
h
an
ce
s
th
e
p
r
ec
is
io
n
an
d
p
r
o
f
u
n
d
ity
o
f
f
o
r
en
s
ic
ex
am
i
n
atio
n
s
.
2
.
5
.
Ca
s
e
s
t
ud
ies dem
o
ns
t
ra
t
ing
NIS
T
f
ra
m
ewo
rk
inte
g
r
a
t
io
n
W
ith
in
th
e
s
co
p
e
o
f
d
ig
ital
f
o
r
en
s
ic
an
aly
s
is
,
th
e
in
teg
r
atio
n
o
f
th
e
NI
ST
cy
b
e
r
s
ec
u
r
ity
f
r
am
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to
in
v
esti
g
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p
r
ac
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o
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s
ig
n
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ican
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im
p
o
r
tan
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aid
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ter
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eth
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d
o
l
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.
T
h
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am
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t
h
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r
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with
t
h
e
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u
s
t
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u
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p
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Dete
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e
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ts
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in
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T
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m
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d
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h
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th
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r
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r
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ass
au
lt.
Ad
d
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lecte
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in
v
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ase.
T
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ar
m
o
n
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s
f
u
s
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o
f
NI
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p
r
in
cip
les
with
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Dete
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ten
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h
cy
b
er
s
ec
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r
ity
a
n
d
d
ig
ital f
o
r
e
n
s
ics [
1
0
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
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20
25
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8
-
1
9
12
3.
ANALY
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5
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Fig
u
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g
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e
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y
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[
8
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.
I
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o
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Evaluation Warning : The document was created with Spire.PDF for Python.
C
o
m
p
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t Sci
I
n
f
T
ec
h
n
o
l
I
SS
N:
2722
-
3
2
2
1
P
o
w
er o
f a
n
a
lytic
to
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ls
in
Oxy
g
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F
o
r
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s
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tive
b
a
s
ed
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n
N
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S
T c
yb
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ity
…
(
To
le
S
u
tikn
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)
13
3
.
1
.
T
im
eline
a
na
ly
s
is
I
n
a
d
d
itio
n
,
th
e
tim
elin
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n
aly
s
is
asp
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t
o
f
Ox
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Fo
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Dete
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er
v
es
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v
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with
in
in
v
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s
b
y
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f
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er
in
g
a
s
eq
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en
tial
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v
e
r
v
iew
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eg
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g
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s
o
cc
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r
r
in
g
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s
tr
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B
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y
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tem
atica
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r
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g
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ata
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to
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tim
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tr
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t
h
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s
e
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o
n
d
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ctin
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th
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in
v
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tig
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ea
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ily
f
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llo
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s
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r
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ip
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g
v
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o
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ev
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ce
co
m
p
o
n
en
ts
.
T
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ap
p
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p
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tr
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tim
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'
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ital f
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ev
alu
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s
[
1
6
]
.
3
.
2
.
So
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ph
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in
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W
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in
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s
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T
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s
.
T
h
is
ef
f
ec
tiv
e
to
o
l
en
h
an
ce
s
th
e
p
r
o
d
u
ctiv
ity
an
d
p
r
ec
is
io
n
o
f
d
ig
ital
f
o
r
e
n
s
ic
in
q
u
ir
ies,
u
l
tim
ately
r
esu
ltin
g
in
m
o
r
e
r
eliab
le
an
d
tim
el
y
o
u
tco
m
es [
1
0
]
.
3
.
7
.
K
ey
ev
idence
identif
ica
t
io
n
I
n
th
e
d
o
m
ain
o
f
d
ig
ital
f
o
r
en
s
ic
ex
am
in
atio
n
s
,
th
e
r
e
co
g
n
it
io
n
o
f
s
ig
n
if
ican
t
ev
i
d
en
ce
is
o
f
u
tm
o
s
t
im
p
o
r
tan
ce
f
o
r
r
ev
ea
lin
g
r
ele
v
an
t
d
etails
an
d
ar
r
an
g
in
g
t
h
e
ch
r
o
n
o
lo
g
ical
s
er
ies
o
f
o
cc
u
r
r
en
ce
s
.
Ox
y
g
en
Fo
r
en
s
ic®
Dete
ctiv
e,
wh
ich
c
o
m
p
r
is
es
a
co
llectio
n
o
f
an
aly
tic
in
s
tr
u
m
en
ts
b
ased
o
n
th
e
NI
ST
cy
b
er
s
ec
u
r
ity
f
r
am
ewo
r
k
,
p
r
esen
ts
a
s
u
b
s
ta
n
tial
p
latf
o
r
m
f
o
r
th
e
d
etec
ti
o
n
an
d
r
ec
o
v
e
r
y
o
f
v
ital
ev
i
d
en
ce
f
r
o
m
d
iv
e
r
s
e
d
ig
ital
o
r
ig
in
s
.
B
y
em
p
lo
y
in
g
to
o
ls
s
u
ch
as
tim
elin
e,
s
o
cial
g
r
ap
h
,
im
ag
e
ca
teg
o
r
izatio
n
,
an
d
f
ac
ia
l
ca
teg
o
r
izatio
n
,
in
v
esti
g
ato
r
s
ar
e
ab
le
to
cr
ea
te
lin
k
s
am
o
n
g
in
d
iv
i
d
u
als,
ev
en
ts
,
an
d
d
ig
ital
ar
tifa
cts.
Fu
r
th
er
m
o
r
e
,
th
e
i
n
teg
r
atio
n
o
f
m
ap
s
,
d
ata
s
ea
r
ch
,
an
d
o
p
tical
ch
ar
ac
ter
r
ec
o
g
n
itio
n
to
o
ls
p
er
m
its
a
p
r
o
f
icien
t
h
ar
v
esti
n
g
o
f
g
e
o
lo
ca
tio
n
in
f
o
r
m
atio
n
,
tex
t
-
r
elate
d
d
ata,
an
d
co
n
tex
tu
al
u
n
d
er
s
tan
d
in
g
f
r
o
m
d
ig
ital
p
r
o
o
f
[
8
]
.
T
h
is
a
ll
-
en
co
m
p
ass
in
g
s
tr
ateg
y
c
o
n
ce
r
n
in
g
th
e
id
en
tific
atio
n
o
f
e
v
id
en
ce
d
o
es
n
o
t
o
n
ly
am
p
lify
th
e
in
v
esti
g
ativ
e
p
r
o
ce
d
u
r
e
b
u
t
al
s
o
g
u
ar
a
n
tees
th
e
p
r
ec
is
io
n
a
n
d
cr
e
d
ib
ilit
y
o
f
th
e
o
u
tco
m
e
s
in
d
ig
ital
f
o
r
en
s
ic
ass
es
s
m
en
ts
.
3
.
8
.
O
ptic
a
l c
ha
ra
ct
er
re
c
o
g
nitio
n c
a
p
a
bil
it
ies
W
ith
in
th
e
d
o
m
ain
o
f
d
ig
ital
f
o
r
en
s
ic
an
aly
s
is
,
th
e
f
u
n
ctio
n
alities
a
s
s
o
ciate
d
with
o
p
tical
ch
ar
ac
ter
r
ec
o
g
n
itio
n
h
o
ld
s
ig
n
i
f
ican
t
im
p
o
r
tan
ce
f
o
r
th
e
p
u
r
p
o
s
e
o
f
t
ex
t
ex
tr
ac
tio
n
f
r
o
m
v
is
u
al
ar
tif
ac
ts
s
u
ch
as
im
ag
es
o
r
d
o
c
u
m
en
ts
,
th
er
e
b
y
f
ac
il
itati
n
g
in
v
esti
g
ato
r
y
p
r
o
ce
s
s
es
[
1
9
]
.
T
h
e
ca
p
ab
ilit
y
o
f
o
p
tical
ch
ar
ac
ter
r
ec
o
g
n
itio
n
to
tr
a
n
s
f
o
r
m
s
ca
n
n
ed
d
o
cu
m
en
ts
o
r
p
icto
r
ial
r
e
p
r
esen
tatio
n
s
co
n
tain
in
g
tex
tu
al
in
f
o
r
m
atio
n
in
to
f
o
r
m
ats
th
at
ar
e
am
e
n
ab
le
to
m
ac
h
in
e
p
r
o
ce
s
s
in
g
s
er
v
es
to
au
g
m
en
t
b
o
th
th
e
ef
f
icac
y
a
n
d
p
r
ec
is
io
n
o
f
d
ata
ev
alu
atio
n
s
with
in
f
o
r
en
s
ic
a
n
aly
tical
to
o
ls
.
T
h
e
im
p
l
em
e
n
tatio
n
o
f
o
p
tical
c
h
ar
ac
ter
r
ec
o
g
n
itio
n
with
in
Ox
y
g
en
Fo
r
en
s
ic®
Dete
ctiv
e
is
d
o
n
e
in
a
m
an
n
er
th
at
is
b
o
th
h
ar
m
o
n
io
u
s
an
d
in
teg
r
at
ed
in
to
its
s
u
ite
o
f
an
aly
tic
to
o
ls
,
wh
ich
b
esto
ws
u
p
o
n
in
v
esti
g
ato
r
s
th
e
ab
ilit
y
to
r
etr
iev
e
p
er
tin
e
n
t
in
f
o
r
m
atio
n
f
r
o
m
a
n
ar
r
ay
o
f
s
o
u
r
ce
s
,
in
clu
d
in
g
b
u
t
n
o
t
li
m
ited
to
s
ca
n
n
ed
m
ater
ials
,
im
ag
er
y
,
o
r
s
cr
ee
n
ca
p
tu
r
es.
B
y
way
o
f
en
g
ag
in
g
o
p
tical
ch
ar
ac
te
r
r
ec
o
g
n
itio
n
t
ec
h
n
o
lo
g
y
,
in
v
esti
g
ato
r
s
a
r
e
p
r
esen
ted
with
t
h
e
o
p
p
o
r
tu
n
ity
to
r
ev
ea
l
o
b
s
cu
r
ed
clu
es,
in
ter
p
r
et
p
iv
o
tal
ev
id
e
n
ce
,
an
d
u
ltima
tely
f
o
r
tif
y
th
ei
r
r
esu
lts
in
v
ar
io
u
s
in
v
esti
g
ati
v
e
s
ce
n
ar
io
s
.
T
h
is
s
o
p
h
is
ticated
f
ea
tu
r
e
f
ac
ilit
ates
a
m
o
r
e
p
r
o
f
o
u
n
d
lev
el
o
f
te
x
t
ex
tr
ac
tio
n
an
d
a
n
aly
tical
a
s
s
es
s
m
en
t,
th
er
eb
y
em
p
o
wer
in
g
f
o
r
e
n
s
ic
p
r
o
f
ess
io
n
als
to
co
n
d
u
ct
ef
f
icien
t
tex
t
r
et
r
iev
al
an
d
u
tili
ze
o
p
tical
c
h
ar
ac
ter
r
ec
o
g
n
itio
n
m
eth
o
d
o
l
o
g
ies f
o
r
e
x
ten
s
iv
e
i
n
v
esti
g
ativ
e
r
ev
elatio
n
s
.
3
.
9
.
St
a
t
is
t
ica
l a
na
ly
s
is
t
o
o
ls
Fu
r
th
er
m
o
r
e
,
th
e
u
tili
za
tio
n
o
f
s
tatis
t
ical
an
aly
s
is
to
o
ls
h
o
ld
s
s
ig
n
if
ican
t
im
p
o
r
tan
ce
in
th
e
ex
tr
ac
tio
n
o
f
v
alu
ab
le
in
s
ig
h
ts
am
i
d
th
e
ex
ten
s
iv
e
d
atasets
g
ath
er
e
d
d
u
r
in
g
th
e
c
o
u
r
s
e
o
f
d
ig
ital
f
o
r
en
s
ics
in
q
u
ir
ies.
T
h
r
o
u
g
h
th
e
ap
p
licatio
n
o
f
v
ar
io
u
s
s
tatis
tica
l
m
eth
o
d
o
lo
g
i
es,
in
v
esti
g
ato
r
s
ar
e
en
ab
led
to
d
is
ce
r
n
p
atter
n
s
,
tr
en
d
s
,
an
d
an
o
m
alies th
at
ex
is
t w
ith
in
th
e
d
ata,
w
h
ich
,
in
tu
r
n
,
f
o
s
ter
s
a
m
o
r
e
p
r
o
f
o
u
n
d
co
m
p
r
eh
en
s
io
n
o
f
th
e
p
ar
ticu
lar
ca
s
e
b
ein
g
ex
am
in
e
d
.
Su
ch
to
o
ls
f
ac
ilit
ate
a
n
aly
s
ts
in
q
u
a
n
tify
in
g
th
e
r
elev
an
c
e
o
f
ev
id
en
ce
,
th
u
s
ass
is
tin
g
in
th
e
p
r
io
r
itizatio
n
o
f
lead
s
an
d
th
e
ef
f
ec
tiv
e
d
is
tr
ib
u
tio
n
o
f
r
eso
u
r
ce
s
.
T
o
illu
s
tr
ate,
th
r
o
u
g
h
th
e
u
s
e
Evaluation Warning : The document was created with Spire.PDF for Python.
C
o
m
p
u
t Sci
I
n
f
T
ec
h
n
o
l
I
SS
N:
2722
-
3
2
2
1
P
o
w
er o
f a
n
a
lytic
to
o
ls
in
Oxy
g
en
F
o
r
en
s
ic® D
etec
tive
b
a
s
ed
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n
N
I
S
T c
yb
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ity
…
(
To
le
S
u
tikn
o
)
15
o
f
s
tatis
tical
an
aly
s
is
,
i
t
b
ec
o
m
es
f
ea
s
ib
le
f
o
r
in
v
esti
g
ato
r
s
to
ascer
tain
th
e
lik
elih
o
o
d
co
n
ce
r
n
in
g
a
s
u
s
p
ec
t's
p
r
esen
ce
at
a
d
esig
n
ate
d
l
o
ca
tio
n
as
in
f
er
r
ed
f
r
o
m
g
eo
lo
ca
tio
n
d
ata.
Fu
r
th
er
m
o
r
e,
th
ese
s
tatis
tica
l
m
ec
h
an
is
m
s
ca
n
b
e
i
n
s
tr
u
m
en
tal
in
r
ec
o
g
n
izin
g
p
o
ten
tial
co
r
r
elatio
n
s
th
at
m
an
if
est
b
etwe
en
d
is
p
ar
ate
p
iece
s
o
f
ev
i
d
en
ce
,
th
er
eb
y
b
o
ls
ter
in
g
th
e
o
v
e
r
ar
ch
in
g
ca
s
e
h
y
p
o
th
esis
[
1
0
]
.
I
n
s
u
m
m
atio
n
,
th
e
in
teg
r
atio
n
o
f
s
tatis
t
ical
an
aly
s
is
to
o
ls
wit
h
in
Ox
y
g
en
Fo
r
en
s
ic®
Dete
c
tiv
e
s
ig
n
if
ican
tly
au
g
m
en
t
s
th
e
in
v
esti
g
ativ
e
p
r
o
ce
d
u
r
e
b
y
r
en
d
er
in
g
o
b
ject
iv
e
an
d
q
u
an
tifia
b
le
i
n
s
ig
h
ts
th
at
s
u
p
p
o
r
t t
h
e
p
r
o
ce
s
s
o
f
d
ec
i
s
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n
-
m
ak
in
g
.
3
.
1
0
.
T
ra
ns
la
t
io
n m
o
du
le
f
o
r
m
ultiling
ua
l da
t
a
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rpre
t
a
t
io
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T
h
e
estab
lis
h
m
en
t
o
f
a
t
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an
s
latio
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m
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le
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Fo
r
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Dete
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o
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ip
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y
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tr
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o
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t
f
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e
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g
u
ag
es
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to
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n
ac
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lar
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at
is
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ec
o
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n
izab
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e
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.
B
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e
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s
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n
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u
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m
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g
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ay
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v
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ly
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s
tr
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aly
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ca
l
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d
ea
v
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s
.
T
h
e
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m
o
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in
ac
co
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d
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c
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with
NI
ST
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ity
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r
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ter
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t
h
e
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h
ar
i
n
g
o
f
i
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f
o
r
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n
.
Mo
r
e
o
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er
,
th
is
ca
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b
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y
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m
its
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m
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e
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io
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o
f
d
ig
ital
ev
id
en
ce
,
th
er
eb
y
en
s
u
r
i
n
g
th
at
n
o
v
ital
in
f
o
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m
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is
n
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lecte
d
d
u
e
to
lin
g
u
is
tic
im
p
ed
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en
ts
.
Ad
d
itio
n
ally
,
th
e
tr
an
s
latio
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m
o
d
u
le
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ten
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l
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en
h
a
n
ce
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th
e
g
e
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er
al
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s
ab
ili
ty
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t
h
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s
o
f
twar
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en
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er
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g
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n
o
tab
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ass
et
f
o
r
p
r
o
f
ess
io
n
als in
th
e
f
o
r
en
s
ic
f
ield
[
2
0
]
.
4.
AP
P
L
I
CA
T
I
O
N
O
F
ANA
L
YT
I
C
T
O
O
L
S
I
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DIG
I
T
A
L
F
O
RE
NSI
C
S
W
ith
in
th
e
d
o
m
ain
o
f
d
ig
ital
f
o
r
en
s
ics,
th
e
u
tili
za
tio
n
o
f
an
aly
tic
in
s
tr
u
m
en
ts
ass
u
m
es
a
s
ig
n
if
ican
t
r
o
le
with
in
th
e
in
v
esti
g
ativ
e
f
r
am
ewo
r
k
.
T
h
e
em
p
lo
y
m
e
n
t
o
f
to
o
ls
s
u
ch
as
T
im
elin
e
an
aly
s
is
p
er
m
its
in
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ato
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s
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ch
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o
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ica
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o
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ce
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ield
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g
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s
p
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tiv
e
o
n
th
e
av
ailab
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d
ig
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ev
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.
T
h
is
p
ar
ticu
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p
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h
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b
lin
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n
tly
en
h
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th
e
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f
p
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o
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at
co
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ld
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e
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o
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o
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s
f
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p
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f
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n
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n
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er
s
tan
d
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g
o
f
th
e
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ce
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h
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d
.
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h
e
am
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am
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f
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ics
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ata
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ch
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atasets
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W
h
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th
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an
aly
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tr
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ly
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tim
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f
d
ig
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o
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e
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s
ic
in
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ir
ies
[
8
]
.
4
.
1
.
Ca
s
e
s
t
ud
y
1
:
So
lv
ing
c
y
berc
rim
e
us
ing
O
x
y
g
en
F
o
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Det
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W
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Dete
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s
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ltifa
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s
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f
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m
alg
am
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o
f
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h
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at
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f
f
e
n
d
er
s
ar
e
h
eld
ac
co
u
n
tab
le
[
2
1
]
.
4
.
2
.
Ca
s
e
s
t
ud
y
2
:
Ana
ly
zing
dig
it
a
l e
v
idence
in leg
a
l inv
estig
a
t
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ns
T
h
e
ap
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licatio
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f
d
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with
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t f
o
r
th
in
leg
al
co
n
tex
ts
[
8
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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N
:
2
7
2
2
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3
2
2
1
C
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Vo
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6
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1
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M
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20
25
:
8
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16
4
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3
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Ca
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o
r
m
u
latin
g
an
in
teg
r
ated
n
ar
r
ativ
e
.
W
h
en
th
ese
to
o
ls
ar
e
co
m
b
in
ed
with
o
p
tical
ch
ar
ac
ter
r
ec
o
g
n
itio
n
,
a
lo
n
g
with
s
tatis
t
ical
an
aly
s
is
an
d
tr
an
s
latio
n
co
m
p
o
n
en
ts
,
th
e
y
f
u
r
n
i
s
h
a
co
m
p
r
e
h
en
s
iv
e
s
tr
ateg
y
f
o
r
g
ath
er
in
g
an
d
s
cr
u
tin
izin
g
in
f
o
r
m
atio
n
in
la
w
en
f
o
r
ce
m
en
t
d
o
m
ain
s
.
T
h
e
ap
p
licatio
n
o
f
s
u
c
h
s
o
p
h
is
ticated
tech
n
o
lo
g
ies
is
co
n
s
is
ten
t
with
th
e
s
u
g
g
esti
o
n
s
ar
ticu
lated
in
th
e
NI
ST
c
y
b
er
s
ec
u
r
ity
f
r
a
m
ewo
r
k
,
wh
i
ch
u
n
d
er
s
co
r
es
th
e
n
ec
ess
ity
o
f
u
tili
zin
g
ad
v
a
n
ce
d
s
o
lu
tio
n
s
to
b
o
ls
ter
law
en
f
o
r
ce
m
en
t o
p
e
r
atio
n
s
[
1
0
]
.
4
.
4
.
E
t
hica
l c
o
ns
idera
t
io
ns
in utilizing
a
na
ly
t
ic
t
o
o
ls
I
n
d
is
cu
s
s
i
o
n
s
r
e
g
a
r
d
in
g
t
h
e
e
th
i
ca
l
asp
ec
ts
p
e
r
ti
n
en
t
to
t
h
e
u
s
e
o
f
a
n
a
ly
tic
i
n
s
t
r
u
m
en
ts
,
i
t
e
m
e
r
g
es
th
a
t
s
u
c
h
c
o
n
s
i
d
e
r
a
ti
o
n
s
a
r
e
c
r
u
ci
al
f
o
r
p
r
es
er
v
i
n
g
th
e
in
te
g
r
i
ty
ass
o
ci
at
ed
wi
th
d
i
g
it
al
f
o
r
e
n
s
ic
in
q
u
i
r
ies
.
W
h
en
d
e
p
l
o
y
i
n
g
i
n
s
tr
u
m
e
n
ts
s
u
ch
as
tim
eli
n
e
,
s
o
ci
al
g
r
a
p
h
,
im
ag
e
c
ate
g
o
r
iza
ti
o
n
,
an
d
f
a
cia
l c
ate
g
o
r
iz
ati
o
n
wit
h
i
n
th
e
Ox
y
g
e
n
F
o
r
e
n
s
ic
®
D
ete
cti
v
e
s
u
it
e,
it
b
ec
o
m
es
im
p
e
r
ati
v
e
f
o
r
i
n
v
est
ig
at
o
r
s
t
o
ad
h
er
e
t
o
d
ata
p
r
i
v
a
c
y
n
o
r
m
s
as
well
as
le
g
a
l
co
n
s
t
r
a
in
ts
.
F
u
r
th
e
r
m
o
r
e,
e
n
g
a
g
i
n
g
wi
th
m
a
p
s
,
d
at
a
s
ea
r
c
h
,
k
e
y
e
v
i
d
e
n
c
e,
o
p
t
ica
l
ch
ar
ac
te
r
r
e
co
g
n
it
io
n
,
s
tat
is
ti
cs,
a
n
d
t
r
an
s
l
ati
o
n
d
iv
is
i
o
n
s
m
a
n
d
at
es
a
n
u
a
n
c
ed
ap
p
r
o
ac
h
i
n
o
r
d
er
t
o
m
iti
g
a
te
r
is
k
s
p
e
r
t
ai
n
i
n
g
t
o
a
n
y
p
o
te
n
tial
e
x
p
l
o
it
ati
o
n
o
r
il
lic
it
ac
ce
s
s
to
s
en
s
i
ti
v
e
d
ata
.
C
o
m
p
l
ia
n
c
e
w
it
h
t
h
e
p
r
o
t
o
co
ls
s
e
t
f
o
r
t
h
i
n
t
h
e
N
I
ST
cy
b
er
s
ec
u
r
ity
f
r
am
ew
o
r
k
c
a
n
p
r
o
v
e
b
e
n
ef
i
cia
l
i
n
f
o
s
te
r
i
n
g
p
r
i
n
ci
p
les
o
f
e
th
ic
al
c
o
n
d
u
ct
th
r
o
u
g
h
o
u
t
th
e
i
n
v
est
ig
ati
v
e
p
r
o
ce
d
u
r
es
[
2
2
]
.
I
n
a
d
d
iti
o
n
,
m
ain
tai
n
i
n
g
t
r
a
n
s
p
a
r
e
n
c
y
an
d
a
cc
o
u
n
t
a
b
ili
ty
wh
ile
u
ti
lizi
n
g
t
h
es
e
a
n
al
y
t
ic
r
es
o
u
r
ce
s
s
ta
n
d
s
as
a
f
u
n
d
a
m
e
n
t
al
asp
ec
t
o
f
s
u
s
t
ai
n
i
n
g
p
r
o
f
ess
io
n
al
s
t
a
n
d
ar
d
s
a
n
d
cr
e
d
ib
ilit
y
wi
th
in
th
e
d
ig
ita
l
f
o
r
en
s
ics
’
d
o
m
ai
n
[
2
3
]
.
B
y
in
te
g
r
at
in
g
e
th
ica
l
c
o
n
s
i
d
e
r
a
ti
o
n
s
i
n
t
o
t
h
e
o
p
e
r
at
io
n
a
liz
ati
o
n
o
f
a
n
al
y
tic
to
o
ls
,
i
n
v
es
ti
g
at
o
r
s
h
a
v
e
t
h
e
c
ap
ac
i
ty
t
o
p
r
ese
r
v
e
t
h
e
t
r
u
s
t
c
o
n
f
e
r
r
ed
b
y
s
tak
e
h
o
ld
er
s
a
n
d
asc
er
tai
n
t
h
at
t
h
e
r
esu
lts
d
er
iv
e
d
ar
e
b
o
t
h
et
h
ic
all
y
o
b
t
ai
n
e
d
a
n
d
l
e
g
al
ly
d
e
f
e
n
s
i
b
l
e.
4
.
5
.
F
uture
t
re
nd
s
a
nd
inn
o
v
a
t
io
ns
in a
na
ly
t
ic
t
o
o
ls
f
o
r
dig
it
a
l f
o
re
ns
ics
W
ith
t
h
e
s
w
if
t
p
r
o
g
r
ess
io
n
s
s
e
en
i
n
te
c
h
n
o
l
o
g
y
,
o
n
e
c
an
ass
e
r
t
t
h
at
th
e
im
p
en
d
i
n
g
la
n
d
s
c
ap
e
o
f
d
i
g
i
tal
f
o
r
en
s
i
cs
a
n
al
y
tic
i
n
s
tr
u
m
e
n
ts
s
t
an
d
s
o
n
t
h
e
b
r
i
n
k
o
f
n
o
te
wo
r
t
h
y
e
x
p
a
n
s
i
o
n
an
d
i
n
v
e
n
t
i
v
e
d
e
v
el
o
p
m
e
n
ts
.
A
n
o
ta
b
l
e
t
r
e
n
d
t
h
at
is
e
m
e
r
g
i
n
g
p
e
r
t
ai
n
s
t
o
t
h
e
ass
im
ila
ti
o
n
o
f
ar
t
if
ici
al
i
n
t
elli
g
en
ce
al
o
n
g
wit
h
m
ac
h
i
n
e
le
ar
n
i
n
g
alg
o
r
it
h
m
s
wit
h
i
n
f
o
r
e
n
s
ic
s
o
f
tw
ar
e,
w
h
i
ch
a
ll
o
ws
f
o
r
a
m
o
r
e
p
r
o
f
ici
en
t
an
d
p
r
ec
is
e
e
x
a
m
i
n
at
io
n
o
f
d
ig
ita
l
ev
i
d
en
ce
.
S
u
c
h
a
d
v
a
n
c
ed
a
n
al
y
ti
c
i
n
s
t
r
u
m
e
n
ts
h
o
l
d
t
h
e
p
r
o
m
is
e
to
au
to
m
a
te
m
o
n
o
t
o
n
o
u
s
a
cti
v
i
ties
,
r
a
n
g
in
g
f
r
o
m
d
at
a
s
e
ar
ch
in
g
to
th
e
ca
t
eg
o
r
iz
ati
o
n
o
f
im
a
g
es
,
th
e
r
eb
y
co
n
s
e
r
v
i
n
g
p
r
ec
i
o
u
s
tim
e
f
o
r
f
o
r
e
n
s
i
c
an
al
y
s
ts
[
2
4
]
.
F
u
r
t
h
e
r
m
o
r
e
,
t
h
e
i
n
t
e
g
r
ati
o
n
o
f
av
a
n
t
-
g
ar
d
e
t
ec
h
n
o
lo
g
i
es,
in
cl
u
d
i
n
g
b
u
t
n
o
t
l
i
m
it
e
d
t
o
f
ac
i
al
ca
t
eg
o
r
iz
ati
o
n
a
n
d
o
p
t
ic
al
c
h
ar
ac
t
er
r
e
c
o
g
n
i
ti
o
n
,
is
c
a
p
a
b
l
e
o
f
e
n
h
a
n
c
in
g
i
n
v
est
ig
ati
v
e
d
e
p
t
h
a
n
d
u
n
v
e
ili
n
g
n
o
v
el
p
at
h
w
ay
s
f
o
r
t
h
e
d
is
c
o
v
er
y
o
f
p
i
v
o
tal
e
v
i
d
en
ce
wi
th
in
d
i
g
ita
l
d
ev
ic
es.
As
t
h
e
a
r
s
en
a
l
o
f
d
i
g
it
al
f
o
r
e
n
s
i
c
to
o
ls
a
d
v
an
ce
s
,
ef
f
o
r
ts
t
o
in
te
g
r
at
e
f
u
n
c
ti
o
n
ali
ties
li
k
e
ti
m
e
l
in
e
a
n
a
ly
s
is
,
s
o
cia
l
g
r
a
p
h
m
a
p
p
i
n
g
,
a
n
d
s
ta
tis
ti
ca
l
d
at
a
i
n
q
u
i
r
ies
wil
l
i
n
d
u
b
i
ta
b
l
y
p
l
ay
a
n
ess
e
n
ti
al
r
o
le
i
n
f
o
r
ti
f
y
in
g
in
v
esti
g
a
ti
v
e
p
r
o
wess
a
n
d
s
a
f
e
g
u
a
r
d
i
n
g
t
h
e
in
t
eg
r
i
ty
o
f
d
i
g
it
al
ev
id
e
n
ce
t
h
r
o
u
g
h
o
u
t
le
g
a
l
p
r
o
c
ess
es
.
A
d
d
iti
o
n
all
y
,
t
h
e
a
d
d
iti
o
n
o
f
tr
an
s
l
ati
o
n
m
o
d
u
les
m
a
y
s
tr
e
am
li
n
e
t
h
e
a
n
al
y
s
is
o
f
m
u
ltil
in
g
u
a
l
m
ate
r
i
als,
th
u
s
b
r
o
ad
en
in
g
t
h
e
h
o
r
iz
o
n
o
f
d
i
g
i
tal
f
o
r
e
n
s
ic
ex
am
i
n
ati
o
n
s
[
2
5
]
.
U
lti
m
at
el
y
,
t
h
e
p
r
o
s
p
ec
t
iv
e
t
r
e
n
d
s
a
n
d
i
n
n
o
v
ati
o
n
s
s
u
r
r
o
u
n
d
i
n
g
a
n
al
y
t
i
c
in
s
tr
u
m
e
n
ts
i
n
t
h
e
r
e
alm
o
f
d
i
g
it
al
f
o
r
e
n
s
ics
h
o
ld
s
i
g
n
if
i
ca
n
t
p
o
te
n
ti
al
t
o
t
r
a
n
s
f
o
r
m
t
h
e
d
is
ci
p
li
n
e
an
d
s
u
b
s
t
a
n
ti
all
y
i
n
f
l
u
en
ce
t
h
e
m
et
h
o
d
o
lo
g
i
es
b
y
wh
ic
h
c
y
b
er
cr
i
m
es
a
r
e
s
c
r
u
ti
n
i
ze
d
a
n
d
p
r
o
s
ec
u
te
d
.
5.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
Ox
y
g
en
Fo
r
e
n
s
ic®
Dete
ctiv
e
p
r
esen
ts
a
d
iv
er
s
e
r
an
g
e
o
f
an
aly
tical
in
s
tr
u
m
en
ts
th
at
au
g
m
en
t
th
e
in
v
esti
g
ato
r
y
p
r
o
ce
s
s
.
T
h
e
t
im
elin
e
f
ea
tu
r
e
p
er
m
its
in
v
e
s
tig
ato
r
s
to
v
is
u
ally
d
elin
ea
t
e
ev
en
ts
,
t
h
er
eb
y
co
n
s
tr
u
ctin
g
a
co
h
er
e
n
t
ch
r
o
n
o
lo
g
ical
o
r
d
er
o
f
ac
tiv
ities
an
d
co
m
m
u
n
icatio
n
s
.
T
h
e
s
o
cial
g
r
ap
h
o
f
f
er
s
a
v
is
u
al
d
ep
ictio
n
o
f
in
ter
r
elatio
n
s
an
d
co
n
n
ec
tio
n
s
am
o
n
g
s
t
in
d
iv
id
u
als,
wh
ich
ass
is
t
s
in
co
m
p
r
eh
e
n
d
in
g
n
etwo
r
k
s
an
d
af
f
iliatio
n
s
.
T
h
e
im
ag
e
ca
teg
o
r
izatio
n
an
d
f
a
cial
ca
teg
o
r
izatio
n
u
tili
ties
em
p
lo
y
s
o
p
h
is
ticated
alg
o
r
ith
m
s
f
o
r
th
e
ca
t
eg
o
r
izati
o
n
an
d
s
cr
u
tin
y
o
f
im
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.
T
h
e
e
f
f
icac
y
o
f
a
n
aly
tical
in
s
tr
u
m
en
ts
s
u
ch
as
tim
elin
e,
s
o
cial
g
r
ap
h
,
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ag
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ca
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o
r
izatio
n
,
f
ac
ial
ca
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o
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i
za
tio
n
,
m
ap
s
,
d
ata
s
ea
r
ch
,
k
ey
ev
id
en
ce
,
o
p
tical
ch
ar
ac
ter
r
e
co
g
n
itio
n
,
s
tatis
tics
,
an
d
tr
a
n
s
latio
n
m
o
d
u
les
f
u
r
th
er
e
n
h
an
ce
s
th
e
s
o
f
twar
e'
s
p
r
o
f
icien
cy
in
t
h
e
e
x
am
in
atio
n
an
d
el
u
ci
d
atio
n
o
f
d
ig
ital
ar
tifa
cts.
T
h
ese
u
tili
ties
n
o
t
o
n
ly
o
p
tim
ize
th
e
in
v
esti
g
ativ
e
wo
r
k
f
l
o
w
b
u
t
also
em
p
o
wer
in
v
esti
g
ato
r
s
to
r
ev
ea
l
cr
itical
in
s
ig
h
ts
an
d
tr
en
d
s
,
wh
ich
u
ltima
tely
co
n
tr
ib
u
te
to
th
e
p
r
ec
is
io
n
a
n
d
d
ep
en
d
ab
ilit
y
o
f
th
e
o
u
tco
m
e.
Giv
en
th
e
o
n
g
o
in
g
p
r
o
g
r
ess
io
n
o
f
tech
n
o
lo
g
y
an
d
th
e
n
atu
r
e
o
f
cy
b
er
th
r
ea
ts
,
th
e
in
te
g
r
atio
n
o
f
an
aly
tical
r
eso
u
r
ce
s
with
in
O
x
y
g
en
Fo
r
e
n
s
ic®
Dete
ctiv
e
r
e
m
ain
s
v
ital
f
o
r
m
ain
tain
in
g
a
co
m
p
etitiv
e
e
d
g
e
i
n
th
e
co
n
tin
u
o
u
s
ly
s
h
if
tin
g
d
o
m
ain
o
f
d
ig
ital
f
o
r
en
s
ics.
T
o
co
n
clu
d
e
,
it
h
as
b
ec
o
m
e
ev
id
en
t
th
at
th
e
an
aly
tic
to
o
ls
with
in
Ox
y
g
en
Fo
r
e
n
s
ic®
Dete
ctiv
e,
f
r
am
ed
b
y
t
h
e
NI
ST
cy
b
er
s
ec
u
r
ity
f
r
am
ewo
r
k
,
p
lay
a
cr
itical
r
o
le
in
th
e
a
u
g
m
e
n
tatio
n
o
f
d
ig
ital
in
v
esti
g
atio
n
s
.
T
h
e
am
alg
am
atio
n
o
f
v
a
r
io
u
s
to
o
ls
,
wh
ich
in
clu
d
e
b
u
t
ar
e
n
o
t
lim
ited
to
tim
elin
e,
s
o
cial
g
r
a
p
h
,
im
a
g
e
ca
teg
o
r
izatio
n
,
f
ac
i
al
ca
teg
o
r
izatio
n
,
m
ap
s
,
d
ata
s
ea
r
ch
,
k
e
y
e
v
id
en
ce
,
o
p
tical
ch
ar
ac
ter
r
ec
o
g
n
itio
n
,
s
tatis
tic
s
,
an
d
th
e
tr
an
s
lat
io
n
m
o
d
u
le
,
h
as
n
o
tab
ly
c
o
n
tr
ib
u
ted
to
th
e
en
h
an
ce
m
e
n
t
o
f
b
o
th
ef
f
icien
cy
an
d
ef
f
ica
cy
in
th
e
r
ea
l
m
o
f
f
o
r
en
s
ic
an
aly
s
is
.
As
we
lo
o
k
ah
ea
d
,
it
is
im
p
er
ativ
e
th
at
f
o
r
t
h
co
m
in
g
r
e
s
ea
r
ch
co
n
ce
n
tr
ates
o
n
th
e
p
r
o
g
r
ess
io
n
o
f
th
ese
an
aly
tic
in
s
tr
u
m
en
ts
in
o
r
d
er
t
o
ad
eq
u
ately
a
d
d
r
ess
th
e
d
y
n
a
m
ically
ch
an
g
i
n
g
lan
d
s
ca
p
e
o
f
cy
b
er
th
r
ea
ts
an
d
tech
n
o
l
o
g
ical
in
n
o
v
atio
n
s
.
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