Eric W. Hickey teaches criminal psychology at California State University, Fresno. Dr. Hickey has appeared on National Public Radio, Larry King Live, 20/20, Good Morning America, Court TV, A&E, and Discovery and Learning Channel documentaries to discuss his research on sexual predators, murderers, and serial killers. He also has served as a consultant to the UNABOMB Task Force and the American Prosecutors' Research Institute, and testifies as an expert witness in both criminal and civil cases. He conducts seminars for agencies involving profiling and investigating sex crimes, arson, robbery, homicide, stalking, workplace violence, and terrorism.