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Chapter 11 - Evolutionary and Converging Perspectives of Serial Murder

Published online by Cambridge University Press:  06 January 2023

Marissa A. Harrison
Affiliation:
Pennsylvania State University
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Summary

The author details her team’s research investigating sex differences in serial murder from an evolutionary perspective. Per Trivers’ (1972) Parental Investment Theory, evolved psychological mechanisms serve sex-specific interests to maximize reproductive fitness (genes represented in subsequent generations). As predicted, men – who produce millions of sperm daily and have an increased sex drive – commit serial murder primarily for sexual reasons. Women, who have limited reproductive opportunities compared to men, have evolved to place great importance on resources. As such, women commit serial murder primarily for monetary gain. Moreover, mirroring ancestral agrarian tendencies, male serial killers (MSKs) are hunters (stalkers) of victims, and female serial killers (FSKs) are gatherers of profit and “gather” victims in their immediate environment, including relatives. The author stresses that an evolutionary perspective (ultimate perspective) does not explain the entirety of serial murder. We must consider converging perspectives, including evolutionary, proximate biological, clinical, traumagenic, cultural, historical, social, and gender-role forces that contribute to the development and growth of the human psyche.

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Chapter
Information
Just as Deadly
The Psychology of Female Serial Killers
, pp. 200 - 205
Publisher: Cambridge University Press
Print publication year: 2023

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