Offender profilling Flashcards
What is offender profilling
The techniques used to build a picture about the physical and behavioural characteristics of an offender.
Who classified the Top down Approach and from what
FBI- 36 interviews with serial killers like Ted Bundy.
What does the Top down approach acknowledge
Nature of crime, location, trophies, victim patterns, capture style
What classifies organised
High IQ, victim type, few clues left, married/children, planned
What classifies disorganised
Low IQ, lots of clues, live alone or near crime scene, spontaneous, unemployed
The top down process
Data assimilation
Classificiation
Crime scene reconstruction
Profile generation
Top down strengths
Can be applied to more than just murder
Evidence for distinction (canter- 100 serial killings)
Top down limitations
Distinction is too simples (goodwin- continum)
Methodological flaws with original interviews.
Why was the bottom up established
FBI approach wasn’t scientific enough, more date driven approach. Devised by David Canter following the railway rapist
What is investigative psychology
Applies statistical procedure alongside crime scene evidence to establish patterns and baseline procedures for comparison
Details entered to a database to find case linkage
What is interpersonal coherence
Offender interact with the victim in the same way as everyday e.g Rapists are more appologetic
What is geographical profilling
Uses crime mapping- information about the location of the crime used to find an offenders base. based on spacial consistancy
What is spacial consistancy
People commit crimes in a limited area
What is the centre of gravity
Their home
What is a maurauder
Close proximity