Encyclopedia of Evolutionary Psychological Science

Living Edition
| Editors: Todd K. Shackelford, Viviana A. Weekes-Shackelford

Same-Sex Homicide

  • Mariko HasegawaEmail author
Living reference work entry
DOI: https://doi.org/10.1007/978-3-319-16999-6_851-1

Synonyms

Definition

The intentional killing of someone in which the perpetrator and victim are the same-sex, that is, both are male, or both are female.

Introduction

There are four combinations of perpetrator-victim relations by sex: men killing men, men killing women, women killing men, and women killing women. The proportion of homicides that occur in each of these categories is not equal, contrary to the expectation when random occurrence is hypothesized in large populations. Rather, the majority of homicide cases consist of men killing other men. When you look specifically at same-sex homicide, male-male homicide occurs much more frequently than female-female homicide, especially between unrelated persons, across many different societies and cultures, and spanning long periods of time (Daly and Wilson 1988). This entry will discuss an evolutionary explanation for this phenomenon.

Violence and Sexual Selection

Most homicides...

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References

  1. Campbell, A. (1999). Staying alive: Evolution, culture, and women’s intrasexual aggression. Behavioral and Brain Sciences, 22, 203–214.PubMedGoogle Scholar
  2. Campbell, A. (2006). Sex differences in direct aggression: What are the psychological mediators? Aggression and Violent Behavior, 11, 237–264.CrossRefGoogle Scholar
  3. Daly, M., & Wilson, M. (1988). Homicide. New York: Aldine de Gruyter.Google Scholar
  4. Daly, M., & Wilson, M. (1990). Killing the competition: Female/female and male/male homicide. Human Nature, 1, 81–107.CrossRefPubMedGoogle Scholar
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  6. Trivers, R. L. (1972). Parental investment and sexual selection. In B. Campbell (Ed.), Sexual selection and the descent of man 1871–1971 (pp. 136–179). Chicago: Aldine.Google Scholar

Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.The Graduate University for the Advanced StudiesHayamaJapan

Section editors and affiliations

  • Melissa McDonald
    • 1
  1. 1.Oakland UniversityRochesterUSA