Offender profiling- Top down Flashcards Preview

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Flashcards in Offender profiling- Top down Deck (17)
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1
Q

Offender profiling

A

A behavioural and analytical tool that is intended to help investigators, accurately, predict and profile the characteristics of unknown offenders.

2
Q

Top down approach

A

Profilers start with a pre established, typology and work down to lower levels in order to assign offenders to one of two categories based on witness accounts and evidence from a crime scene.

3
Q

What country did the Top down approach originated from

A

USA

4
Q

Who did carried out work for the top down approach

A

FBI

5
Q

What was the FBIs research into the top down approach

A
  • Drew upon data gathered from Interviews with 36 sexually motivated murderers
  • Categorised into organised or disorganised crime
  • Each category has certain characteristics
  • Collect data from crime scene of a murder scene and then decide on the category the data best fits
6
Q

What are the two types of offenders according to the top down approach

A
  • Organised
  • Disorganised
7
Q

Organised offenders (characteristics)

A
  • Target victim
  • High IQ
  • Skilled job
  • High control
  • Married with kids
  • Planned- no evidence left at a crime scene
8
Q

Disorganised offenders (characteristics)

A
  • Little planning
  • Impulsive
  • Low IQ
  • Unskilled job
  • Failed relationships
  • Leave evidence at crime scene
9
Q

What are the four parts to constructing a FBI profile

A
  1. Data assimilation
  2. Crime scene classification
  3. Crime reconstruction
  4. Profile generation
10
Q

Data assimilation

A

The profiler reviews the evidence

11
Q

Crime scene classification

A

As either organised or disorganised

12
Q

Crime reconstruction

A

Hypotheses in terms of sequence of events, behaviour of the victim etc

13
Q

Profile generation

A

Hypotheses related to the likely offender

14
Q

Top-down approach evaluation points- Research support

A

STRENGTH

100 serial killings (smallest space analysis) supported organised category (Canter)

15
Q

Top-down appraoch evaluation points- Counterpoint to research support

A

LIMITATION

Most killers have multiple contrasting characteristics, don’t fit into one ‘type’
Godwin

16
Q

Top-down approach evaluation points- Wider application

A

STRENGTH

Applied to burglar, 85% rise in solved cases in US
Meketa

17
Q

Top-down approach evaluation points- Flawed evidence

A

LIMITATION

Interview sample small, not random, similar kinds of offender, non-standard questions
Canter et al