What to Watch: The Cult Next Door It remains the largest mass suicide ever on American soil: 39 people in Rancho Santa Fe, California, took their own lives because they believed a UFO would carry them to a higher level of existence for all eternity. Why did so many kind, intelligent people, including nurses, veterans,
Surviving members of the cult behind America's largest mass suicide are speaking out for the first time about the bizarre life they left behind. In an upcoming two-hour 20/20.