Why would a man with a family, a successful career, and seemingly everything to lose spend decades hiding a secret life? In this episode, host Josh Zeman sits down with forensic psychologist Joni Johnston and former FBI profiler Mark Safarik to examine the psychology of Rex Heuermann after his shocking guilty plea.Together, they explore the mind of a sexual sadist, the need for control that drives offenders like Heuermann, and the disturbing question at the heart of this case: how could a devoted father and husband also become the Long Island Serial Killer?