Terms in this set (7)
Detection of offenders
Distribution of resources (patrols, etc)
Public education and safety
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
above av intelligence
Socially & sexually competent
High birth order
Controlled mood during crime
Follows crime in news
may leave town after crime
below avg. intelligence
socially inadequate & sexually incompetent
low to middle birth order
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.
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