Question: Heaven's Gate was an American UFO religious millenarian group, based in San Diego, California, founded in 1974 and led by who, also known as "Bo" and "Do", among other names, was an American cult leader who founded what became known as the Heaven's Gate religious group, and organized their mass suicide in 1997, claiming the lives of thirty-nine people?
Sentence (from "Heaven's Gate (religious group)"): On March 26, 1997, police discovered the bodies of thirty-nine members of the group who had participated in a mass suicide in order to reach what they believed was an extraterrestrial spacecraft following Comet Hale–Bopp.
Relevant evidence: No