'The Exorcist' has possessed the horror genre for 50 years
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The horror film "The Exorcist" showing at the Warner Rendezvous cinema in the West End of London, UK, March 14, 1974. The film was directed by William Friedkin from a book by William Peter Blatty. (Evening Standard/Hulton Archive/Getty Images)
The 1973 horror movie classic "The Exorcist" turns 50 years old this year.