Mystery. Manipulation. Murder. Cults are associated with all of these. But what really goes on inside a cult? More specifically, what goes on inside the minds of people who join cults and leaders who start them? Every Tuesday, Greg and Vanessa (co-hosts of the podcast Serial Killers ) explore the history and psychology behind the most notorious cults. Cults is part of the Parcast Network and is a Cutler Media production.