Leaking in Intimate Partner Homicide: A Systematic Review

Abstract

Intimate partner homicides (IPH) are serious offenses by a heterogeneous group of offenders with diverse risk factors that are too unspecific for the successful prediction of an offense. Recent research suggested several warning signs that may precede IPH and enhance its prevention, but little is still known about "leaking." Leaking comprises all offense-related statements, behaviors, or actions that express the perpetrator's thoughts, fantasies, ideas, interests, feelings, intentions, plans, or positive evaluations of an own violent act or previous similar offenses prior to the own attack. This review aims to identify the forms, recipients, and media of leaking as well as potential subgroup differences in cases of IPH. We identified 47 relevant publications via a systematic search of eight databases and additional methods. We included publications that did not explicitly use the term, but described behaviors that could be interpreted as leaking. Up to now, leaking has not been systematically researched in cases of IPH. Nevertheless, publications described several behaviors that are in line with our definition of leaking and were categorized into five broader categories: (a) homicide announcements, (b) previous severe acts of violence, (c) suicidal behavior, (d) planning activities, and (e) interest in similar offenses/offenders. Information on recipients and media as well as subgroup differences was sparse. Leaking is relevant in IPH, but more systematic research is needed to understand its potential role in future risk analyses procedures and prevention of IPH.

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