The Exorcist was made into the movie "The Exorcist III" in 1990. Like "The Exorcist", it involves demonic possession. The book was the focus of a court case over its exclusion from "The New York Times" Best Seller list. Blatty based aspects of the Gemini Killer on the real-life Zodiac Killer, who, in a January 1974 letter to the "San Francisco Chronicle", had praised the original "Exorcist" film as "the best satirical comedy that I have ever seen". The Exorcist is a 1973 American supernatural horror film directed by William Friedkin, adapted by William Peter Blatty from his 1971 novel of the
The Exorcist (film) director Friedkin wanted some very detailed facial close-ups. When this film was made, von Sydow was 44, though he was made up to look 74. Alan McKenzie stated in his book "Hollywood Tricks of the Trade" that the fact "that audiences didn't realize von Sydow was wearing makeup at all is a tribute to the skills of veteran makeup artist Dick Smith." "The Exorcist" was also at the center of controversy due to its alleged use of subliminal imagery introduced as special effects during the production of the film. Wilson Bryan Key wrote a whole chapter on the film in