Authors: Beauregard, Eric¹; Lussier, Patrick²; Proulx, Jean³

Source: Legal and Criminological Psychology, Volume 10, Number 2, September 2005 , pp. 265-278(14)

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• In this Subject: Law ,  Social & Public Welfare
• By this author: Beauregard, Eric ;  Lussier, Patrick ;  Proulx, Jean

Abstract:

Purpose. Although it has often been suggested that there is a direct relationship between an individual's sexual interests and behaviours exhibited during the crime they commit, few studies have investigated this question empirically. The purpose of the present study was thus to examine the role of sexual interests and situational factors as to their possible relationship to three components of rapists' modus operandi: (a) the level of organization of the offence, (b) the level of force used by the offender, and (c) the level of injury inflicted on the victim during the sexual assault.

Methods. This study is based on a sample of 118 offenders who sexually assaulted a female aged 16 or over. All participants were assessed phallometrically and through the CQSA, a computerized questionnaire. Data were analysed using multiple regression analyses.

Results. Our findings showed links between sexual interests, situational factors, and rapists' modus operandi. Firstly, individuals demonstrating a greater sexual interest in nonsexual violence showed a higher level of organization in the modus operandi. Secondly, alcohol consumption prior to the offence was related to a higher level of coercion. Finally, a negative emotional state prior to the crime was related to a high level of injury inflicted on the victim.

Conclusions. Despite the fact that several authors postulated a direct link between the offender's sexual interests and his behaviour at the crime scene, our results only partially support this hypothesis. Moreover, our results partly support the fact that crime scene behaviour is related to offenders' personal characteristics, challenging an assumption of criminal profiling. We still believe that the modus operandi is related to offenders' personal attributes. It is, however, dynamic and may fluctuate due to certain situational factors related to offenders and victims. Future studies should take into account situational factors related to offenders and their victims.

Document Type: Research article

DOI: 10.1348/135532505X36110

Affiliations: 1: Department of Criminology, University of South Florida, USA 2: School of Criminology, Simon Fraser University, Canada, Philippe Pinel Institute, Montreal, Canada 3: Philippe Pinel Institute, Montreal, Canada, School of Criminology, University of Montreal, Canada

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