James R. Fitzgerald

James R. Fitzgerald (born June 24, 1953) is an American criminal profiler, forensic linguist, and author. He is a retired FBI agent and best known for his role in the UNABOM investigation, which resulted in the arrest and conviction of Ted Kaczynski.

Fitzgerald was also responsible for developing training programs and tools to improve the threat assessment capabilities of the FBI. Among these is the Communicated Threat Assessment Database (CTAD), an exhaustively indexed repository of data consisting of every communicated threat encountered in the course of FBI investigations.

Later career Fitzgerald has remained active in the fields of criminal profiling and forensic linguistics since retiring from the FBI in 2007, holding positions as adjunct faculty at both Hofstra University in Hempstead, New York, Stockton University in Pomona, New Jersey, and California University of Pennsylvania in California, Pennsylvania. He continues to work as a private consultant and technical advisor to free media productions, such as Criminal Minds and Sleepy Hollow. Fitzgerald served as a consulting producer in the Discovery Channel's 2017 miniseries Manhunt: Unabomber, which features actor Sam Worthington as James "Fitz" Fitzgerald, described by Fitzgerald as "a composite character" of many investigators in the Unabomber case.

Television A&E's Killer Profile – Executive Producer and Co-Host CBS TV’s The Case of: Jon Benet Ramsey – on-air expert CBS TV's Criminal Minds – Technical Advisor Discovery Channel’s Manhunt: Unabomber – Consulting Producer

Publications 2003: "Workplace violence: from threat to intervention", in Clinics in Occupational and Environmental Medicine 2004: "Using A Forensic Linguistic Approach to Track the Unabomber", in Profilers, Campbell, John H., and DeNevi, Don, Prometheus Books 2006: Forensic Linguistic Services at the Behavioral Analysis Unit-1, an FBI handbook detailing services offered at the BAU-1 2007: "The FBI's Communicated Threat Assessment Database; History, Design, and Implementation", in FBI Law Enforcement Bulletin 2014: A Journey to the Center of the Mind, Book I, The Coming-of-Age Years, Infinity Publishing 2017: A Journey to the Center of the Mind, Book II, The Police Officer Years, Infinity Publishing 2017: A Journey to the Center of the Mind, Book III, The (First Ten) FBI Years, Infinity Publishing