The Debrief is joined by Dr. Christine Marie, cult psychology expert and author, who did something almost no one would dare: she went undercover inside a dangerous cult to help bring down its leader. Christine reveals how she worked her way into the FLDS group led by Sam Bateman, winning the trust of its members under the cover of filming a documentary. She breaks down the psychological control tactics Bateman used to hold his followers in his grip, and how she quietly gathered the evidence and confessions that would eventually condemn him. It all builds to the tense, high-stakes day the FBI finally moved in, and Christine takes the team right into the heart of it.