Offender Profiling Ao1 Flashcards
Offender profiling is…
Is a analytical technique
It aims to predict the probable characteristics/description of the unknown criminals using evidence from the crime scene - help narrow down list of suspects
2 types of offender profiling
Top down
Bottom up
Top down approach is from where AND WHO and when
America FBI 1970s
How did top down approach come about
fbi based in quantico virginia
from data gathered by in depth interviews with 36 sexually motivated serial killers
how does top down approach work
they start with a template before they analyse the crime, they have pre existing category through which they see the crime scene
either organised or disorganised types
Organised types of offender characteristics
Shows evidence of having planned crime in advance
Maintain a degree of control during crime
Married w children
Above average IQ, skilled profession
body hidden
socially and sexually competent
Disorganised types of offender characteristics
Little evidence of planning
Spontaneous spur of the moment act
Crime scene reflects impulsive nature of the attack
Have a low IQ in unskilled work or unemployed
socially and sexually incompetent
Tend to live on their own and near where the offence took place
List 4 stages of top down
1)Data assimilation
2) crime scene classification
3) crime scene reconstruction
4) profile generation
Describe crime scene classification
A decision is made regarding whether the criminal appears to be organised or disorganised
Describe crime scene reconstruction
Hypotheses are generated about what probably happened during the crime scene eg victim behaviour and the sequence of events
Describe profile generation
A rough sketch of the criminal is developed including social groups, appearance is likely behavioural traits
Who theorised bottom up profiling
David canter
Describe bottom up profiling
doesnt assume fixed typology
Profile is generated by making inferences from details of the crime and works up to build understanding of the offendner from there
Two types of bottom up profiling
Investigative psychology
Geographical profiling