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A Los Angeles lawyer is attacked by a poisonous rattlesnake, leading police to a bizarre cult veiled as a drug and alcohol rehab facility; the cops uncover a group of blind followers willing to do anything at its leader's urging, even murder.

Deadly Cults

Synanon

The Gatekeepers saw themselves as pure participants in a religious quest to cleanse the world; when a member challenges the cult's radical leader, cops discover how he paid for his disobedience with his life; now his killers are nowhere to be found.

The Gatekeepers

A community is shocked when a prominent local doctor is gunned down by two mysterious women in broad daylight; Murray, Utah, police uncover a web of warring prophets, strained families and multiple murder plots.

The Ervilites

A quadruple murder rocks a small California town, leading police to investigate a refugee camp run by a local man; what appears as a quiet, small community soon reveals itself as a sinister group full of manipulation, abuse and violent rituals.

The Camp

A family is desperate to find a daughter who ran off with a strange cult; years later, police are called to a posh mansion near San Diego and are shocked to find 39 bodies in a mass suicide.

Heaven's Gate

Police investigating a 911 call for a suicide interview the victim's girlfriend, who claims there's more behind his death; police must determine if an online cult that believes in aliens and reptiles disguised as humans is actually at fault.

Online Alien Reptiles

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.

Angel's Landing

After three obedient followers die during an intense sweat lodge ceremony put on by a prominent self-help guru, police must determine if their deaths were accidental, or did the guru push the participants too far.

Spiritual Warriors

Investigators uncover and expose the dark world of cults that kill.

S2 E3 | Online Alien Reptiles