Date of Graduation

5-2024

Document Type

Thesis

Degree Name

Master of Arts in Sociology (MA)

Degree Level

Graduate

Department

Sociology and Criminology

Advisor/Mentor

Jeff Gruenewald

Committee Member

Kayla Allison

Second Committee Member

Michael Niño

Keywords

Mass shootings; Terrorism; Violent Extremism

Abstract

The overall focus of this study is the relevance of extreme ideology as a distinguishing factor underlying the motivational circumstances of mass shootings in the United States over the last few decades. Along with comparatively examining the lethality of mass shootings, background attributes, criminogenic factors, status changes, and preparatory activities are compared across ideological and non-ideological mass shooters. Data are extracted from the Extremist Crime Database (ECDB), the Bias Homicide Database (BHDB), and Schildkraut’s Database on Mass Shootings. Results highlight key differences in offenders’ experiences of personal status changes and engagement in preparatory activities prior to committing mass shootings. These findings inform investigatory approaches and policies aimed at preventing future mass shootings.

Included in

Criminology Commons

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