Gregory M. Cooper is Founder of the Cold Case Foundation and former head of the FBI’s Behavioral Sciences Unit. He has worked as a FBI Profiler, FBI Violent Criminal Apprehension Program Manager, FBI National Academy Instructor in Quantico VA, Chief of Police, expert witness, and international and domestic threat assessment advisor. . Cooper’s work has been featured in New York Times best-selling books and Netflix documentaries, and he is coauthor of Predators: Who They Are and How to Stop Them. Thomas McHoes is a freelance journalist who was previously a crime/investigative reporter for the Provo Daily Herald and the Roseville Press-Tribune. He is coauthor, with Gregory M. Cooper, of Predators: Who They Are and How to Stop Them.