Possessed: The True Story of an Exorcism

"The Exorcist", a 1973 movie about a twelve-year-old girl possessed by the Devil, frightened people more than any horror film ever did. Many moviegoers sought therapy to rid themselves of fears they could not explain. Psychiatrists coined the term "cinematic neurosis" for patients who left the movie feeling a terrifying presence of demons. At the Washington premiere, a young woman stood outside the theater, trembling. "I come out here in the sunlight," she said, "and I see people's eyes, an...