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18 Cards in this Set
- Front
- Back
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Which country is top down profiling used, and by which organisation? |
The FBI in America |
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What are the two types of criminal described in top down profiling? |
Organised: Average-high intelligence, hides the clues of the crime, plans offences, targets offenders, removes weapons, body hidden.
Disorganised: Commits crime in a passion, may leave a weapon and forensic clues, random victims, socially and sexually incompetent. |
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What's the modus operandi? |
The criminals way of working |
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Summarise top down profling |
Investigators create a big picture of the crime and try and find smaller forensic evidence to support their picture. |
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In Canter's research investigating the reliability of top down typologies, in what % of cases classed as organised had sexual activity occurred? |
75% |
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In Canter's research investigating the reliability of top down typologies, which two crime-scene behaviours co-occured with organised typologies? |
Hiding the body and Sexual activity towards the victim |
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In Canter's research investigating the reliability of top down typologies, how many cases were used and what was the nature of the crime? |
100 murder cases by serial killers |
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In Canter's research investigating the reliability of top down typologies, what did Canter conclude? |
That all crimes have an organised element and the distinctions between the two typologies are in the way criminals display their disorganised characteristics. |
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Which country is bottom up profiling used, and by which organisation? |
UK by British police |
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Summarise bottom-up Profiling |
Looks at the smaller details of the crime and forensic analysis/geographical mapping to build a picture. Also looks at consistencies between everyday behaviour and the behaviour of the crime. |
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Which two types of analysis does Bottom-Up profiling use? |
Smallest space analysis which looks at how often crime characteristics occur and their co-occurance with each other. Geographical mapping looks at how far apart the crimes were committed and creates an area where a potential suspect could live. |
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Which computer programme is used for graphical profiling? |
Dragnet |
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In Canter and Heritage's research investigating bottom-up profling, how many cases were used and what was the nature of the crime? |
66 sexual offences |
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In Canter and Heritage's research investigating bottom-up profling, what were the 5 key crime characteristics? |
Vaginal intercourse, no response to the victim, impersonal language, surprise attack and clothing disturbed on the victim. |
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In the preliminary profile of John Duffy, where did he live, what was his personal appearance and occupation and what was his character like? |
Residence: Lived in the areas of first 3 cases, probably lived with a wife or girlfriend, no children. Age etc: Mid-late 20's, Light hair, right handed, 5'9". Occupation: Semi-skilled or skilled work, weekends or casual labour, not in close contact with the public. Character: Keeps himself to himself, a few close male friends, little contact with women. |
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What offences were they looking to find a suspect for? |
25 offences between 1975 and 1986- 2 murders and 21 rapes. Women targeted at railway stations in and around London. |
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Who was John Duffy's accomplice? |
David Mulcahy |
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What's a marauder or commuter and which one was John Duffy? |
Marauder: Someone who commits a crime near their home Commuter: Someone who travels to committ
John Duffy was a marauder |
