Uncover the twisted tales that inspired the big screen''''s greatest screams.

Which case of demonic possession inspired The Exorcist? What horrifying front-page story generated the idea for A Nightmare on Elm Street? Which film was based on the infamous skin-wearing murderer Ed Gein?

Unearth the terrifying and true tales behind some of the scariest Horror movies to ever haunt our screens, including the Enfield poltergeist case that was retold in The Conjuring 2 and the serial killers who inspired Hannibal Lecter in The Silence of the Lambs.

Behind the Horror dissects these and other bizarre tales to reveal haunting real-life stories of abduction, disappearance, murder, and exorcism.