Mark Fallon is an author, international security consultant and career national security professional. He spent more than 30 years as a federal agent, counterintelligence officer and counterterrorism specialist. Beginning his federal law enforcement career in 1979 as a Deputy U.S. Marshal, Mark became an NCIS Special Agent in 1981 and served around the world for 27 years, including assignments as Deputy Assistant Director, Special Agent in Charge, Chief of Counterintelligence Operations and Director of the NCIS Training Academy. In 2008, he was appointed to the senior executive service within the Department of Homeland Security and went into the private sector in 2010 as the Senior Vice President of an international security-consulting firm. Mark was the program manager for global studies of violent extremism at the Qatar International Academy for Security Studies. In 2012 he founded ClubFed, LLC. Mark has been involved in some of the most significant counterterrorism operations in U.S. history, including the investigation of Sheik Omar Abdel Rahman (“the Blind Sheik”), the terrorist attack on the USS Cole and after the attacks of 9/11, he was appointed as the Deputy Commander of a task force created specifically to investigate the al-Qaida terrorist network for trials before military commissions. Mark is the Vice Chair of the International Association of Chiefs of Police IMPACT Section and member of the High Value Detainee Interrogation Group Research Committee. Mark is the author of Unjustifiable Means: The Inside Story of How the CIA, Pentagon and U.S. Government Conspired to Torture.