Creating a profile

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  • Created by: Flo
  • Created on: 08-06-13 17:52
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  • Creating a profile
    • Canter et al- Bottom- up (UK) approach
      • AIM- to identify behaviour patterns from similarities between offences.
        • RESULTS- Five variables were found central to all 66 cases- vaginal intercourse, no reaction to victim, impersonal language-demeaning to victim, surprise attack, victims clothing disturbed.
          • CONCLUSION- these 5 aspects have now been shown to contribute to all sexual offences but in different patterns for different individuals. An analysis of these factors can enable police to decide if offence was committed by same individual.
            • Bottom-up approach- Looks for consistencies in offenders behaviour during a crime, no initial assumptions are made.
              • 'Bottom up' means starting with details and evidence and building up specific associations between offences and offender characteristics.
  • Ressler et al- Personality characteristics of criminals and non-criminals
    • Creating a profile
      • Canter et al- Bottom- up (UK) approach
        • AIM- to identify behaviour patterns from similarities between offences.
          • RESULTS- Five variables were found central to all 66 cases- vaginal intercourse, no reaction to victim, impersonal language-demeaning to victim, surprise attack, victims clothing disturbed.
            • CONCLUSION- these 5 aspects have now been shown to contribute to all sexual offences but in different patterns for different individuals. An analysis of these factors can enable police to decide if offence was committed by same individual.
              • Bottom-up approach- Looks for consistencies in offenders behaviour during a crime, no initial assumptions are made.
                • 'Bottom up' means starting with details and evidence and building up specific associations between offences and offender characteristics.
    • AIM- To identify personality characteristics of serious offenders and how they differ from non-offenders.
    • CONCLUSION- The crime scene can be used in the same way as a fingerprint to identify a murderer, crimes scenes revealed clear evidence of whether offences had been committed by organised or disorganised offenders.
  • Unstructured interviews where info was collected about the crime scenes.
    • Ressler et al- Personality characteristics of criminals and non-criminals
      • AIM- To identify personality characteristics of serious offenders and how they differ from non-offenders.
      • CONCLUSION- The crime scene can be used in the same way as a fingerprint to identify a murderer, crimes scenes revealed clear evidence of whether offences had been committed by organised or disorganised offenders.
  • Case study- John Duffy
    • Bottom up approach used to create profile of John Duffy 'railway rapist'

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