Writer and commentator who is known for his knowledge of terrorism, torture and insurgency, which he has written about in such books as Terrorist Recognition Handbook (2013) and Hacking ISIS: How to Destroy the Cyber Jihad (2017). He is a former United States Navy senior chief petty officer.
He grew up in Philadelphia, Pennsylvania and attended West Catholic Boys High School. He served in the U.S. military from 1981 to 2001.
He has served as the director of the think tank known as the Terror Asymmetrics Project on Strategy, Tactics and Radical Ideologies.
He married a woman named Maryse.
He and Barack Obama were both interviewed for the Oscar-nominated documentary Dirty Wars (2013).