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Related Experiment Video

Updated: Mar 12, 2026

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Published on: December 24, 2015

Understanding Homicide-Suicide.

James L Knoll¹

¹Division of Forensic Psychiatry, SUNY Upstate Medical University, 600 East Genesee Street, Suite 108, Syracuse, NY 13202, USA.

The Psychiatric Clinics of North America

|November 13, 2016

Summary

Homicide-suicide, where an individual kills others before dying by suicide, lacks a standard classification. This review proposes a scheme and emphasizes psychological autopsies for better understanding and prevention.

Keywords:

Homicide Homicide–suicide Murder Psychological autopsy Suicide Violence

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Area of Science:

Criminology
Psychiatry
Public Health

Background:

Homicide-suicide is a complex phenomenon involving multiple killings followed by the perpetrator's suicide.
Existing research is limited by inconsistent classification and reliance on media reports.
Mass murder-suicide events are increasing, particularly in the United States, necessitating focused study.

Purpose of the Study:

To review existing research and literature on homicide-suicide.
To propose a standardized classification scheme for homicide-suicide.
To explore preventive strategies and sociocultural factors.

Main Methods:

Comprehensive literature review of homicide-suicide research.
Analysis of existing data and media reports.
Proposal of a novel classification system.

Main Results:

Identified a lack of a universally accepted classification system for homicide-suicide.
Highlighted the increasing attention on mass murder-suicide events.
Proposed a new classification scheme to standardize research.

Conclusions:

A standardized classification is crucial for advancing homicide-suicide research.
Future research should employ the full psychological autopsy method, including collateral interviews, for a comprehensive understanding.
Exploration of sociocultural factors and preventive methods is essential.