Author
Books & Publications
Mark Fallon has authored, edited, and contributed to works that have shaped the national conversation on interrogation, ethics, and national security.

Featured Book
Unjustifiable Means
By Mark Fallon · Published October 24, 2017
A hard-hitting, raw, and explosive account of how America lost its way and conspired to torture. Drawing on his 27 years as an NCIS Special Agent and his role in the Criminal Investigation Task Force, Fallon reveals the inside story of America's post-9/11 interrogation program.
"Hard-hitting, raw, explosive" — a must-read for anyone seeking to understand the intersection of national security, ethics, and the rule of law.
View on Amazon →Other Books & Edited Volumes
Interviewing and Interrogation: A Review of Research and Practice Since World War II
Torkel Opsahl Academic EPublisher (January 2022) — an authoritative review of the evolution of interviewing and interrogation methods from World War II to the present day.
Interviewing and Interrogation: A Review of Research and Practice Since World War II
Also available to download at no cost via the Centre for International Law Research and Policy (CILRAP) — open access edition. The entire volume or individual chapters can be downloaded for free.
Oxford University Press (January 2020) — a comprehensive academic examination of interrogation science, legal frameworks, and ethical principles.
Routledge International Handbook of Policing Crises and Emergencies
Routledge (September 2024) — contributed chapter: The System is Blinking Red: Lessons Learned from Policing in the Aftermath of Terrorist Attacks.
The Psychology of Criminal Investigation: From Theory to Practice
Routledge (May 2018) — contributed chapter drawing on Mark's expertise in criminal investigation and interrogation.
Rupture and Reckoning: Guantánamo Turns 20
Reflecting on the Legacy of the Notorious Detention Camp and US Counter-Terrorism Policy Two Decades After 9/11. Published by the European Center for Constitutional and Human Rights (ECCHR), 2022.
Other Works & Contributions
Author
Can the U.S. Shed the "Learned Legal Helplessness" of Guantánamo's Courts?
Published in Newsweek, June 2026.
Co-Author
The Manipulation of Minds: Reckoning with the Legacy of the American Post 9/11 Torture Program
Co-authored with Maria Hartwig. Published in Torture Journal, Vol. 32 No. 3 (2022).
Featured Subject
Guantánamo Voices: True Accounts from the World's Most Infamous Prison
A graphic novel edited by Sarah Mirk, with Chapter 2 featuring Mark Fallon, illustrated by Gerardo Alba. Published 2020.
Co-Author
The War Isn't Over but Ukraine Is Already Prosecuting Russian War Crimes
Published in The Washington Post, April 28, 2022.
Co-Author
The Méndez Principles: The Need to Update the Army Field Manual on Interrogation for the 21st Century
Co-authored with Susan Brandon. Published in Just Security, June 11, 2021.
Co-Author
The Méndez Principles: Leadership to Transform Interrogation via Science, Law, and Ethics
Co-authored with Steven J. Barela. Published in Just Security, June 1, 2021.
Co-Author
State-Sponsored Bullshit, and Why Truth Matters
Co-authored with Maria Hartwig. Published in Psychology Today, October 2020.
Author
Let's Never Forget to Honor the US Constitution
Published by the CERL Rule of Law Post, University of Pennsylvania, September 17, 2020.
Author
The Report Won't Let Us Forget That 'Enhanced' Interrogation Was Torture
Published by the CERL Rule of Law Post, University of Pennsylvania, February 3, 2020.
Author
New Spy Museum's Torture Exhibit Glosses Over Depravity
Published in Just Security, October 8, 2019.
Author
How Will History Judge the Military Commissions?
Published by the CERL Rule of Law Post, University of Pennsylvania, July 29, 2019.
Author
How Terrorist Threats Made the U.S. as Brutal as Its Enemies
Published in Newsweek, November 1, 2017.
Author
Surviving, Evading, Resisting and Escaping (SERE) Accountability
Published in HuffPost, July 22, 2016.
Author
Congress, Administration Must Renew Efforts to Close Guantanamo
Published in HuffPost, July 1, 2016.
Co-Author
Using Science to Improve the Practice of Interviewing and Interrogation
Co-authored with Christian Meissner. Published in Police Chief Magazine, September 2015.
Author
Collaboration Between Practice and Science Will Enhance Interrogations
Published in Applied Cognitive Psychology, November 2014.
Author
Interrogators Speak Out: Torture is Illegal, Immoral and Ineffective
Published in HuffPost, June 28, 2012.
For additional information see Mark Fallon's Wikipedia page or his Amazon Author page.
Book Signings & Events
Behind the scenes at book signings, conferences, and bookstore events