Ioannou, Maria, Hammond, Laura and Simpson, Olivia (2015) A model for differentiating school shooters characteristics. Journal of Criminal Psychology, 5 (3). pp. 188-200. ISSN 2009-3829

The current study aimed to explore the potential for developing a model for differentiating school shooters based on their characteristics (or risk factors) before the attack took place.
Data on forty school shootings was compiled from the National School Safety Center’s Report on School Associated Violent Deaths (SAVD) and media accounts. Content analysis of the cases produced a set of 18 variables relating to offenders’ characteristics (or risk factors). Data were subjected to Smallest Space Analysis (SSA), a non-metric multidimensional scaling procedure.
Results revealed three distinct themes: Disturbed School Shooter, Rejected School Shooter, and Criminal School Shooter. Further analysis identified links between these themes with the family background of the offender.
Research limitations/implications
These findings have both significant theoretical implications in our understanding of school shooters and the crime in general. They offer potential for practical applications in terms of prevention and intervention strategies. A key limitation relates to the quality of data.
This is the first study to develop a model for differentiating school shooter characteristics

Differentiating school shooters paper.pdf - Accepted Version

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