Research and Publications

A Study of Pre-Attack Behaviors of Active Shooters in the United States Between 2000 and 2013, https://www.fbi.gov/file-repository/pre-attack-behaviors-of-active-shooters-in-us-2000-2013.pdf/view  Project Lead

Quick Reference Guide: A Study of Pre-Attack Behaviors of Active Shooters in the U.S. Between 2000 and 2013, https://www.fbi.gov/file-repository/pre-attack-behaviors-of-active-shooters-2000-2013-quick-reference-guide.pdf/view  Project Lead/Co-Author

Lone Offender Terrorism Report, A study of lone offender terrorist attacks committed within the United States between 1972 and 2015.  https://www.fbi.gov/file-repository/lone-offender-terrorism-report-111319.pdf/view  Project Lead/Co-Author

Quick Reference Guide: Lone Offender Terrorism Report, https://www.fbi.gov/file-repository/lone-offender-quick-reference.pdf/view  Project Lead/Co-Author

Echoes of Columbine - This documentary explores the issue of school shootings and what schools, parents, and law enforcement can do to help prevent these attacks.  https://youtu.be/zgeRtRo862w Project Co-Lead/Recorded Interview

Possible attackers? A comparison between the behaviors and stressors of persons of concern and active shooters, Journal of Threat Assessment and Management, 7(1-2), 1–12. https://doi.org/10.1037/tam0000147 Project Lead

Applying Counterterrorism Tools to Prevent Acts of Targeted Violence: Lessons Learned from the FBI’s Behavioral Threat Assessment Center, Police Chief Online, June 10, 2020.  https://www.policechiefmagazine.org/applying-counterterrorism-tools-to-prevent-acts-of-targeted-violence/?ref=45e09d36b8166a8c95be2cbb7f450a48 Author

Thoughtful Leadership for Threat Mitigation, Preventing Targeted Attacks Starts at the Top, Police Chief Magazine, Volume 89, Issue 7, July 2022, https://www.policechiefmagazine.org/wp-content/uploads/PoliceChief-July2022_WEB.pdf  Author

Involuntary Employment Separation/Termination Strategies, December 2022, Sean Ahrens, Et. Al, https://www.linkedin.com/posts/john-wyman-45971319a_employment-separation-termination-strategies-activity-7009522821987020800-tbkX?utm_source=share&utm_medium=member_desktop Co-Author

Lone-Actor Terrorism: An Integrated Framework, Edited by Jacob C. Holzer, Andrea J. Dew, Patricia R. Recupero, Paul Gill, Foreword by Andrew McCabe, and John Wyman  https://global.oup.com/academic/product/lone-actor-terrorism-9780190929794?cc=us&lang=en& Author (Forward)

A coproduction research model between academia and law enforcement responsible for investigating threats, publication date Apr 26, 2021 , Journal of Policing, Intelligence and Counter Terrorism, https://www.tandfonline.com/doi/abs/10.1080/18335330.2021.1880018 Co-Author

Trigger Points, Inside the Mission to Stop Mass Shootings in America, Mark Follman, https://www.harpercollins.com/products/trigger-points-mark-follman?variant=39402950131746 Contributor

US Violent Extremist Mobilization Indicators, https://www.dni.gov/files/NCTC/documents/news_documents/Mobilization_Indicators_Booklet_2021.pdf, FBI Project lead, reviewer, and contributor