Mark Fallon

Guest Author

Mark Fallon (@glynco) is an internationally recognized expert on national security and counterterrorism, and author of the book Unjustifiable Means: The Inside Story of How the CIA, Pentagon and US Government Conspired to Torture (ReganArts, 2017). He is a co-editor and contributor for Interrogation and Torture: Integrating Efficacy with Law and Morality (Oxford University Press, 2020). His government service spans more than three decades, with positions including Deputy Assistant Director for Counterterrorism for the Naval Criminal Investigative Service (NCIS); NCIS Chief of Counterintelligence Operations for the Europe, Africa and Middle East Division; and Homeland Security Senior Executive. Mark was the NCIS Commander of the USS Cole (DDG-67) Task Force, and following the 9/11 attacks, Mark was appointed Deputy Commander of the investigative task force established to bring terrorists to justice before Military Commissions.

Mark is Chair of the International Association of Chiefs of Police IMPACT Section, is on the Advisory Council of the Center for Ethics and the Rule of Law (CERL) at the University of Pennsylvania, and served on the Steering Committee overseeing the development of the Principles on Effective Interviewing for Investigations and Information Gathering. The past-Chair of the High Value Detainee Interrogation Group (HIG) Research Committee, he is currently a Visiting Scholar at John Jay College of Criminal Justice, where he is Co-Founder and Co-Director of Project Aletheia, a platform to bridge the gap between the science and practice of interrogation, spanning the breadth of law enforcement and the national security space.

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