Who were the Trains? In the days after the siege, detectives scoured the property, uncovering shocking evidence. It was the start of a years-long investigation that would reveal a twisted tale of conspiracy theories and extremism. Once-respected teachers had turned into cop killers. But what detectives uncovered in the United States would add an even more chilling dimension to the case. Content warning: This episode contains sensitive material related to violent crime and extreme religious beliefs, and may be distressing to some listeners. Listener discretion is advised. See omnystudio.com/listener for privacy information.