Describe And Discuss The Geographical Approach To

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Describe and discuss the geographical approach to offender profiling Geographical profiling is used in a series of linked crimes where you use geographical information to infer the offender’s operational base or home. It is based on the assumption that offenders work close to home (marauders) or places they know well (commuters). Knowledge about locations enables profilers to narrow down their search. The main exponent of geographical profiling is David Canter. He argues that this kind of profiling is built upon the cognitive theory about how people represent or conceptualise information. The theory says that people use a special kind of schema i.e. a simplified mental representation of what we expect to happen in any situation, which is called a mental map. (Bartlett 1932). Canter argues that information about location of a crime scene represents their personal experience of their environment. Therefore, the location of the crime scene can be used to infer; where the offender is based and the offenders interests, employment and relationships. There are a number of cases which have successfully demonstrated the use of geographical profiling. For example, the case of John Duffy the railway rapist was successful. They began to plot the rapes and then the murders and then used geographical information to try to work out where he was based. They found that the rapes and murders clearly followed the railway lines which traversed London. From this information (the geographical plotting) they inferred that his home base was in this central area and that he knew the railways well and so probably worked for them, which of course he did. This case demonstrates the effectiveness of geographical profiling because they used it to catch him. Ludrigan and Canter 2001 used content analysis and studied the spatial behaviour of 120 serial murderers in the USA. They took
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