Characteristics of Sexual Homicides Committed by Psychopathic and Nonpsychopathic Offenders

  title={Characteristics of Sexual Homicides Committed by Psychopathic and Nonpsychopathic Offenders},
  author={Stephen B. Porter and Michael Woodworth and Jeff Earle and Jeffrey Edwin Drugge and Douglas Pieter Boer},
  journal={Law and Human Behavior},
In this study, the relationship between psychopathy and the perpetration of sexual homicide was investigated. The official file descriptions of sexual homicides committed by 18 psychopathic and 20 nonpsychopathic Canadian offenders were coded (by coders unaware of Psychopathy Checklist—Revised [PCL—R] scores) for characteristics of the victim, victim/perpetrator relationship, and evidence of gratuitous and sadistic violent behavior. Results indicated that most (84.7%) of the sexual murderers… 
Sexual Sadism and Psychopathy in Sexual Homicide Offenders: An Exploration of Their Associates in a Clinical Sample
  • R. Darjee
  • Psychology
    International journal of offender therapy and comparative criminology
  • 2019
Associate measures of sexual sadism and PCL-R measures were moderately associated and played key roles in sexual homicide, interact with each other, and determine different aspects of offences and offenders.
Finnish sexual homicides: offence and offender characteristics.
Subtypes of homicide offenders based on psychopathic traits.
Psychopathic traits in Finnish homicide offenders with schizophrenia.
Unraveling the Personality Profile of the Sexual Murderer
The personality profile of sexual homicide offenders is comprised primarily of Schizoid and Borderline Personality Disorders, and these offenders were significantly likely to select a victim, use a weapon, and use drugs and alcohol before their offenses, but less likely to force their victim to engage in sexual acts or humiliate them.
Deceptive behaviour and instrumental violence among psychopathic and non-psychopathic violent forensic psychiatric patients
Deceptive behaviour and instrumental violence are well-known psychopathic features and as such play important roles in the assessment of psychopathy. This study examined first, the nature of the
Crime profiles and conditional release performance of psychopathic and non‐psychopathic sexual offenders
Purpose. This study investigated the influence of psychopath ya nd sex offender subtype on criminal history, probability of being granted conditional release ,a nd performance while on conditional
Homicides with Mutilation of the Victim’s Body
The higher than usual prevalence of developmental difficulties and mental disorder of this subsample of offenders needs to be recognized.
Psychopathy, Homicide, and the Courts
This study investigated the effects of psychopathy on homicidal postoffense behavior, denying the charges at court, appealing the lower court conviction, and final sentencing. A sample of 546


Homicidal sex offenders: psychological, phallometric, and diagnostic features.
Profiles of Psychopathy in Incarcerated Sexual Offenders
The authors investigated whether psychopathy would contribute to the understanding of the heterogeneity of sexual violence. Using the Psychopathy Checklist-Revised, presence of psychopathy, callous
In cold blood: characteristics of criminal homicides as a function of psychopathy.
H homicides committed by psychopathic offenders were significantly more instrumental than homicides by nonpsychopaths, and nearly all of the homicides by psychopaths were primarily instrumental in nature.
Sadism and psychopathy in violent and sexually violent offenders.
A nonrandom sample (N = 41) of inmates from a maximum security prison were classified as either psychopathic or nonpsychopathic (using the Psychopathy Checklist-Revised (PCL-R)) and violent or
Psychopathy and sexual assault: static risk factors, emotional precursors, and rapist subtypes.
The findings indicate that psychopathy should be considered when developing intervention strategies for rapists, and that psychopaths were most likely to be classified as opportunistic and pervasively angry rapists.
Psychopathology and personality in juvenile sexual homicide offenders.
The findings suggest that juvenile sexual murderers are an emotionally and behaviorally disturbed population with identifiable psychopathology, personality disturbances, and criminal patterns.
Psychopathy in instrumental and reactive violent offenders.
In two studies tested the hypothesis that instrumental offenders would score higher than reactive offenders and nonviolent offenders on R. D. Hare's (1991) Psychopathy Checklist, instrumental offenders could be reliably distinguished from reactive offenders on the basis of violent crime behavior and level of psychopathy.
Comparisons Between Sexual and Nonsexual Rapist Subtypes
Sixty incarcerated rapists were subtyped according to the Massachusetts Treatment Center Rapist Typology as either “nonsexual” (i.e., the opportunistic and vindictive subtypes) or “sexual” (i.e., the
Investigation of the Criminal and Conditional Release Profiles of Canadian Federal Offenders as a Function of Psychopathy and Age
Using the Psychopathy Checklist-Revised (PCL-R; R. D. Hare, 1991) diagnostic cutoff score of 30, the complete criminal career and community release profiles of 317 Canadian federal offenders were investigated, indicating that offenders scoring within the psychopathic range consistently committed more violent and nonviolent crimes than their counterparts for about three decades.