When was the FBI behavioural science uni established?
1972
NCAVC
National centre for the analysis of violent crime
VICAP
The violent crime apprehension programme
VICLAS
Violent crime linkage analysis system
What is offender profiling?
Inferring characteristics of an offender based on their crime scene actions
London (1986)
Canter
What was included in the preliminary profile? (Residence)
- possibly lives with wife or girlfriend
Age?
Occupation
- job not in contact with public
Character?
Sexual activity
Criminal record
- possibly for aggressive attack under influence of alcohol
How accurate was professor cantors profile?
13/17 points made in the profile were correct
Investigative psychology
Weaknesses of early offender profiles?
Barnum effect
The Tendency to accept general or vague characteristics and take them to be accurate
Evidence for the effect?
Evidence of confirmation bias?
Evidence of demand characteristics?
Ppts did what they thought the researcher wanted them to
Alison, Smith, Eastman and rainbow (2003)
Toulmins framework
5 parts?
BIA