Deadly Cults, Heaven's Gate

Police must determine if their deaths were accidental or if a prominent self-help guru pushed the participants too far.

To his followers, he's an angel who died and came back to life, but when seemingly accidental deaths keep occurring around him, one investigator digs deeper.

Law enforcement must determine if a cult that believes in aliens and reptiles disguised as humans is responsible for an alleged suicide.

Police are called to a mansion and are shocked to find 39 bodies in a mass suicide. Was she one of the deceased or did she escape?

Police investigate a refugee camp run by a local man and discover a sinister group full of manipulation, abuse, and violent rituals.

Utah police uncover a web of warring prophets, strained families, and multiple murder plots.

The Gatekeepers saw themselves as pure participants in a religious quest to cleanse the world.

The cops uncover a group of blind followers willing to do anything at their leader's urging, even murder.