Without a shadow of a doubt, The Exorcist is one of, if not the scariest movie ever made. When it came out in 1973, fans were left fainting, fleeing and vomiting in theaters. Audience members aside, it also left critics in test screenings stricken with fear, afraid to go to sleep after the iconic scenes of Pazuzu possessing Linda Blair's Regan MacNeil.
Source：https://www.cbr.com/the-exorcist-true-story-roland-edwin-hunkeler/
