The movie takes place in the three days leading up to Lennon's murder and is intended to be an exploration of Chapman's psyche, without putting substantial emphasis on the murder. The title "Chapter 27" suggests a continuation of J.D. Salinger's novel The Catcher in the Rye, which has 26 chapters, and which Chapman was carrying when he shot Lennon. Chapman was obsessed with the book, to the point
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