fraroc said:
But like I said, the movie makes it very clear that while Rags was drugged up on Thorazine, the Demon may have left her body but still inhabited the room. And when Mr Dennings came upstairs, Pazuzu may have either thrown him out the window, or had psychologically attacked him and made Burke commit suicide.
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And also, the novel muddies the idea that Karras gave his life to save Regan. WPB made it sound like a suicide while those who watched the movie know that Damien had forced Pazuzu to enter his body and possess him, Karras then jumped out the window in order to attempt to destroy the demon.
The novel explains what happened. While Burke was in the study room he heard sounds of moaning coming from Regan's bedroom and he went up there to check on her. Regan got out of bed and grabbed him by the neck, accusing him of diddling his mother and causing the divorce. She then pushed him out the window.Â
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Hmm.. He wasn't trying to make it sound like a suicide, he just wants his readers to always be in some doubt and suspense about what happened and that's genius!