Psychological profiling


Terms in this set (...)

Specific uses
Detection of offenders
Distribution of resources (patrols, etc)
Public education and safety
Profiling models
Employed for serial offending (3 or more separate yet related events)
Clinical model- FBI (US); goal is to create a psychological profile of the offender
Experimental/statistical model (UK); goal is to create a statistically based profile of factors related to the location of the offender and his/her crimes.
FBI profiling process (4 stages)
Stage 1: data assimilation stage- gathering all available data that may be related to the case, attempt to identify the offenders modus operandi (MO) & signature.
Stage 2: crime scene classification- examination of the crime scene in order to ascertain whether the scene is representative of an organised or disorganised offender
Stage 3: crime scene recognition- use of info gathered from stages 1 & 2 to reconstruct the crime scene in a way that allows for deciding whether the offender is organised or disorganised.
Stage 4: profile generation- creation of an offender profile that includes physical elements as well as identifies related to their personality
Organised offender
above av intelligence
Socially & sexually competent
High birth order
Skilled worker
Controlled mood during crime
Follows crime in news
may leave town after crime
Disorganised offender
below avg. intelligence
socially inadequate & sexually incompetent
low to middle birth order
unskilled worker
anxious mood during crime
doesn't follow crime in news
lives/works near crime scene
Male serial killing typology (canter & wentink)
Visionary killers- acting on perceived voices or images instructing them to kill a particular person (or type of person), disorganised crime, chaotic.

Mission killers- motivated by a decision that a person (or type of person) is unacceptable or valueless and should therefore be removed (missing weapon, throat cutting).

Lust killers- motivated by sex and is part of the process of fulfilling their sexual lusts. Evidence indicates sexual aspect.

Thrill killers- motivated by the pleasure (thrill) they experience from the event. Generally include evidence of prolonged torture.

Power/control killers- motivated by the need to extend the ultimate control or power over a victim. may be reflected by type of weapon or location of offence.
Experimental/statistical profilling model
step 1: data
-geographic location of crime
-geographic location of related criminal activities
-temporal (time) aspects of crime
-forensic analysis of evidence
step 2: identification of trends
step 3: alignment of trends with psychological knowledge:
step 4: use of analysis
-location of next crime
-location of residence.