Crime analysis

 Crime analysis (sometimes also called intelligence analysis) is one field of work which draws upon forensic psychological methods. Crime analysts are generally employed by the police (or policing agencies, for example in the UK, the National Crime and Operations Faculty and the National Crime Squad) in order to analyse crime data to aid the police carryout their roles. One of the most common roles of crime analysts is that of case linkage. This process involves the linkage of crime based on the similarities in the behaviours of the offenders as reported by the victim or as inferred from the crime scene. For example, let us examine a rape case committed by a stranger on a woman walking home alone after a night out with her friends. Crime analysts could use the details of this case – the fact that she had just left her office, that the rapist took some of her clothing away from the scene with him, the contents of the threats used towards the woman – in order to check against an already established database of similar crimes to see whether there are any similarities to past crimes. If matches are found – the same threats were used, similar items of clothing taken by a rapist, and it was in a close geographical location to another rape – then this information can be used by the police to investigate the potential that the same individual offender has committed both crimes. This allows the focusing of the resources of the investigation in order to avoid duplication of work.

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