“The Exorcist” was Based on an Actual DC-Area Exorcism. Here’s what REALLY Happened

Did you know that The Exorcist, one of the most famous horror movies of all time, was based on a real DC-area exorcism? The 1949 exorcism allegedly took place in Prince Georges County, Maryland, and inspired The Exorcist author and producer William Peter Blatty while he was a student at Georgetown University. But some of the details in this famous case of demonic possession don’t add up. Discover the not-so-true story of the ‘real’ supernatural event that inspired the 1973 movie The Exorcist.

“Boundary Stones” is an animated history series from WETA which brings the rich histories of Washington, D.C., Maryland, and Northern Virginia to life. Using historic photos and archival footage, “Boundary Stones” tells the stories of the past: pivotal events, strange-but-true tales, and the myths and legends from the DMV. From Black history to unique D.C. protests, true crime to civil rights, and more — “Boundary Stones” is your home for D.C. history.

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