The Emergence and Development of Threat Assessment as a Field (2021)

December 10, 2025

This article provides a developmental overview of threat assessment as a professional and academic discipline. The authors trace its origins from early protective intelligence work and forensic psychiatry to its institutionalization in schools, workplaces, universities, and government agencies. Key milestones include the adoption of behavioral pathway models, the establishment of multidisciplinary teams, and the integration of structured professional judgment tools. The paper highlights evolving conceptual frameworks, including warning behaviors, fixation, grievance-fueled violence, and the interplay between ideology and personal psychology. Contemporary challenges are addressed—such as digital leakage, online radicalization, privacy constraints, and the expanding volume of behavioral data available for analysis. The authors conclude by outlining future directions for the field, including professionalization, credentialing, standardization, and integration with emerging technologies.

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