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CDL
-
AD(2007)016
-
e.
The
Venice
Commission
stated
its
preference
for
judicial
authorisation
and
review
of
surveillance
operations
directed
to
“
individual
cases
”
,
but
noting
at
the
same
time
that
much
surveillance
work
is
not
directed
towards
pre
-
trial
legal
procedures
,
such
as
data
-
mining
,
and
this
kind
of
surveillance
work
tends
to
escape
judicial
control
(
paragraphs
29
,
202
-
204
)
.
Finally
,
it
conceded
that
“
there
may
not
be
much
in
the
way
of
concrete
suspicions
to
go
on
at
the
time
when
surveillance
is
requested
but
other
means
of
obtaining
information
may
be
regarded
as
impracticable
.
”
(
paragraph
207
)
.
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