Pazuzu (The Exorcist) to take complete control of her mind. However, with the aid of the priest Father Tomas and her family, Regan fights back against Pazuzu, regaining control of her mind, just as Father Tomas exorcises the demon from her body. William Peter Blatty's creations of Pazuzu and "The Exorcist" were based on a heavily reported series of 1949 events in St. Louis, Missouri concerning the possession of a 14-year-old known as "Robbie Mannheim" (or sometimes "Roland Doe"). Blatty, who was a student at Georgetown University, read about the story in Washington, D.C. newspapers and created "The Exorcist" twenty years later. In
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