To bring down a violent neo-Nazi group, former FBI undercover agent Scott Payne had to become someone else. It was a mission that demanded more than surveillance. He infiltrated a neo-Nazi hate camp and, to prove loyalty, he had to partake into strange rituals, even sacrificing a goat. In this interview, Payne takes us inside the mechanics of extremist recruitment, the psychology of hate, and the perils of going deep cover. Got any tips? Email us at [email protected].  Credits:  Reporter/Host: Joey Watson Supervising Producer: Claudianna Blanco Fact Check: Holly Mitchell Sound Design: Matt Nikolic Head of Factual: Clair Weaver See omnystudio.com/listener for privacy information.