FORENSIC top down approach with AO3 Flashcards

1
Q

define offender profiling

A

behavioural and analytical tool which intends to help investigations accurately predict and profile characteristics of unknown criminals

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2
Q

what is this approach also known as

A

american approach, comes from USA from FBI in 1970s

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3
Q

how does this approach work

A

starts off with a pre established typology and work down in order to assign offenders to one of two categories based on evidence

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4
Q

how was this devised

A

36 in depth interviews with sexually motivated murderers

-ISSUE AS SMALL SAMPLE SIZE AND CANT GENERALISE TO ALL CRIMES

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5
Q

what is organised and disorganised based on

A

idea that offenders have certain signature ways of working which correlate to social and psychological characteristics which come from the crime scene

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6
Q

how does an organised offender commit a crime

A

-evidence of planning with a targeted victim, no clues left, socially and sexually competent, high IQ

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7
Q

how does a disorganised offender commit a crime

A

Little evidence of planning, leaving clues, socially and sexually incompetent and low IQ

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8
Q

what are the four main stages in the construction of an FBI profile

A
  1. data assimilation- profiler reviews all evidence
  2. crime scene classification- organised vs disorganised
  3. crime reconstruction- hypotheses developed
  4. profile generation- hypothesis developed in relation to likely offender
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9
Q

strength

A
  • research support, Canter Conducted analysis of different serial killers using a technique called smaller space analysis and found that serial killers have their own signature way of working, strength as it is validity for the organise or disorganised typology however, difficult to class criminals as one of the other as a research argues that the killer could have multiple contrasting characteristics which suggests that the typology can’t be applied to everyone or all crimes
  • therefore the research on its own is not effective and we must use other tools
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10
Q

limitation but strength on end

A

limitation as it cannot be applied to the wider population as we cannot use top-down profiling on all crimes, this is only limited to sexually motivated crimes as this was what the top-down approach was based on

  • however practical applications have been applied to other crimes as a researchers have found the top down approach has been applied to burglary and has led to an 85% rise in solved cases
  • have also found two new types such as interpersonal and opportunistic would suggest that offender profiling have extended and can be applied to all crimes
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11
Q

limitation

A

flawed evidence
- based on limited samples which was 36 murderers in the US, small sample size and didn’t include different types of offenders, no standard set of questions, each interview different and not easily comparable, limitation bc it is not reliable or replicable and therefore more research needs to be conducted

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12
Q

structure

A
  • offender profiling
  • 36 in-depth interview
  • pre established typology
  • organised vs disorganised
  • 4 stages
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