Tokens: In
accordance
with
this
procedure
,
the
statements
of
the
anonymous
police
officers
had
been
taken
down
(
a
)
by
a
judge
,
who
(
b
)
had
himself
ascertained
the
identity
of
the
police
officers
concerned
,
(
c
)
had
given
a
written
opinion
of
their
reliability
and
credibility
in
his
official
report
,
(
d
)
had
given
a
reasoned
opinion
of
their
reasons
to
remain
anonymous
and
found
them
sufficient
,
and
(
e
)
had
given
the
defence
sufficient
opportunity
to
question
them
or
have
questions
put
to
them
.
The
official
report
of
the
investigating
judge
,
which
was
very
detailed
,
bore
this
out
.
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