Clint Van Zandt Clint Van Zandt was with the FBI for twenty-five years where he served as a supervisor with the FBI's internationally respected Behavioral Science or "Silence of the Lambs" Unit. He was also the FBI's chief hostage negotiator and managed the FI's major case/crisis management program. He is the author of Facing Down Evil: Life on the Edge as an FBI Hostage Negotiator. Read More Read Less