“When you look at people who have been in a cult, you certainly can’t separate them out in terms of their intelligence level or their sophistication,” Dr. Joni Johnston, a forensic psychologist and author of “Serial Killers: 101 Questions True Crime Fans Ask,” told Oxygen.com.
Mary Jacobs Nelson fled the secretive polygamist sect known as The Order just days before she says she was going to be forced to marry her first cousin and brought with her secrets powerful enough to take down a massive biofuel fraud scheme.
Cassie Jo Stoddart was found viciously stabbed to death while house sitting in 2006 and investigators would eventually uncover a chilling horror-movie plot to take her life, complete with masks and hunting knives.
Jimmy Allan seemed inconsolable after reporting finding his wife Amy hanging in the couple's basement, but was it a man coming to terms with the agonizing loss of his wife or was it a more calculated performance?
In a new episode of "Dateline: The Last Day," the show looks into Kelsie Schelling, who went missing after leaving work in Denver. Investigators revisit the events of Feb. 4, 2013 — just after she learned she was expecting a child.