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Warning Signs: Identifying School Shooters Before They Strike — Now available as an audiobook

School Shooters .info
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Mass Attacks in Public Spaces: 2016-2020 [70 pp, 3.98 Mb]

This is a report by the National Threat Assessment Center of the United States Secret Service. 

Copyright © 2008–2023 by Peter Langman, Ph.D.

Published by Langman Psychological Associates, LLC.

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Last update: 14 March 2023