Examining Murder And Unlawful Killing On People

Examining Murder And Unlawful Killing On People

Examining Murder And Unlawful Killing On People. Investigative psychology is an approach the police take in order to inspect criminal behavior. This form of psychology is mainly used to answer important questions that arise during the process of criminal investigations. When checking a crime scene there are three main questions running through the minds of the detectives: what are the behavioral features of the perpetrator, what are the characteristics of the offender, and is it possible that there are other crimes committed by the same offender. According to Jillian Robbins (Stone, 2009l) the behavior of the criminal at the time of the incident is one of the best forms of evidence to a case. She reports that there are three important behavioral traits that all detectives look out for while inspecting a crime scene: the modus operandi, the signature and the typology of the offender.

The modus operandi or MO refers to the way the offender behaves or acts while trying to carry out his crime successfully. Offenders usually have a strong desire to perform the “perfect crime”, or to commit a crime without getting caught. As the offender gains experience with each crime he commits, the MO will also change until the effective method is found. This means that an offenders MO will changes through a series of learned behaviors. Richard Quinney points out that police investigators are trained to recognize the MO of the offender but not to solely use the MO to link crimes together. (Clinard, Quinney, 1973) He admits that it is difficult not to jump to conclusions when dealing with identical MO’s, especially when the crimes are close in location, but states that including any evidence without unreasonable doubt is a serious police error.

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