,
, offender profiling : the top-down approach :
spec : the top down approach ,
including organised+ disorganised types of offender
To crime , the offenders UK's
offender profiling Using
: solve , victims + evidence must be
categorised. One of the leading
behavioural +
analytical criminal profilers is David Canter .
He contributed to the first murder case that had input
tools to attempt to from a
psychologist (the Railway Rapist ,
1986).
enaracteristics
identify The US different approaches
UK have it comes to
+ when
solving crime:
of an unknown killer .
1) the top-down approach (USA) :
the idea that profilers Star pre-established work down from there
typologies With a
typology
:
+
serious offenders have to
assign specific offenders to one of these categories based on
particular characteristics witness accounts + evidence from the crime scene.
·
it was first developed by the FBIs behavioural Science Unit
in the 1970s.
psychologists analysed data gathered from
·
36 in-depth
interviews with
sexually motivated killers (inc Ted Bundy +
.
Charles Manson.)
·
from there , the FBI developed a classification system for
murderers/rapists organised+ disorganised. :
To FBI profile, there are 4
construct an
stages :
1) data assimilation -
the profiler reviews evidence
2) crime aassification-organised/disorganised
scene
3) crime reconstruction
hypotheses in terms of sequencing of events, behaviour of
victim ect ,
.
4 profile generation hypotheses related to
likely offender
X
only applies to particular crimes Crape , arson murder
,
, Cult
killings)
X based on outdated models of personality-reduced validity
~ original two types were
appealing of it narrows search
X
typologies of assessed murderers tell us
nothing about those who haven't been caught.