After shooting the rock star John Lennon in front of the Dakota Building in Manhattan on December 8, 1980, Mark David Chapman remained at the crime scene reading his favorite book, The Catcher in the Rye, until police arrived. Chapman identified powerfully with Holden Caulfield, the novel’s alienated protagonist, and in this episode we explore Chapman’s motivations, their grounding in Catcher, and ask the question: What makes someone kill their own hero in cold blood?