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Foreign Object Insertions in Sexual Homicide.

Sydney Koeppel1,2, Louis B Schlesinger1, Sarah W Craun3

  • 11 John Jay College of Criminal Justice, New York, NY, USA.

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|December 12, 2018
PubMed
Summary
This summary is machine-generated.

Foreign object insertion occurred in 19.2% of sexual homicides. This behavior was equally prevalent in nonserial and serial offenders, challenging assumptions about offender psychology and insertion timing.

Keywords:
foreign object insertionhomicidesexual homicide offenderssexual murderstaging

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Area of Science:

  • Forensic Psychology
  • Criminology
  • Victimology

Background:

  • Foreign object insertion in sexual homicides is a rare but significant behavior.
  • Previous understanding was largely based on anecdotal case reports, leading to assumptions about offender characteristics.

Purpose of the Study:

  • To determine the prevalence of foreign object insertion in a national sample of sexual homicides.
  • To analyze characteristics of the inserted objects and offender behavior.
  • To challenge existing notions regarding offender psychosis and insertion timing.

Main Methods:

  • Analysis of a nonrandom national sample of 260 sexual homicides.
  • Detailed examination of 50 cases involving foreign object insertion.
  • Data collection on object type, origin, insertion site, visibility, and timing (pre/post-mortem).

Main Results:

  • Foreign object insertion occurred in 19.2% of the sexual homicide sample.
  • Prevalence rates were similar for nonserial (21.7%) and serial (18.8%) offenders.
  • Findings contradict the idea that offenders are always psychotic or that insertion is exclusively post-mortem.

Conclusions:

  • Foreign object insertion in sexual homicide is not exclusive to serial offenders.
  • Nonserial offenders exhibit sadism and deviancy comparable to serial offenders in this behavior.
  • These findings have potential prognostic implications for understanding sexual homicide.