When an 11-year-old Connecticut boy shows signs of being possessed by the Devil, famed demonologists Ed and Lorraine Warren conclude he needs an exorcism. The released demons are at the heart of one of America's most shocking murder cases.

In 1977, "The Amityville Horror" book was published and caused a sensation. The subsequent 1979 film adaptation was a surprise box office hit. It was a film that changed everything. It terrified audiences and became a film and story that people continue to return to. Today, it is the quintessential American horror story based on TRUE events. This is the story of the all-American family that moves into their dream house in the all-American town and experiences the most terrifying demonic haunting imaginable. Demon possession, demon attacks, a portal to hell. A situation so dire, even the church couldn't help them. Through archival footage and recreations, the special, produced by 1895 Films, presents the harrowing true story of Robert Defeo, who murdered his entire family in the Amityville house, and the 28 terror-filled days the Lutz family lived in the house.

The Exorcist has terrified audiences since 1973, but few know the story is true. For the first time on television, new evidence exposes shocking secrets about the real-life exorcism of a 13-year-old boy that inspired an iconic horror film.

Follows an in-depth investigation into the alien epicenter to help residents of the Hudson Valley, New York, find explanations for their unearthly and sometimes violent encounters.

Uncloaks the historic origins of the horror of two grieving First Ladies. Did they unwittingly invite an evil presence with a malevolent agenda that may still torment America's presidents, as well as their families, visitors, and advisors?

Paranormal investigator Dave Schrader assembles a team of paranormal experts to investigate whether a dark family curse led to the most infamous axe murders of all time. With new evidence that Lizzie Borden's ghost resides in the house where the murders took place, they conduct a séance to unearth the truth and finally close the portal of evil forever.

The life and times of one of the most notorious real-life American serial killers. Chronicling the sinister crimes of the grave robber who went on to become the villainous muse and inspiration for horror classics—such as "The Silence of the Lambs," "Psycho," and "The Texas Chainsaw Massacre"—this two-hour documentary on the Discovery+ is part of their hit "Shock Docs" series.