The Killing of John Lennon is a 2006 biographical film depicting the thoughts and actions of Mark David Chapman, portrayed by Jonas Ball. The story begins with Chapman's feelings of alienation and aimlessness in Hawaii, leading to his obsession with J.D. Salinger's novel 'The Catcher in the Rye.' This fixation fuels his growing animosity towards Beatles singer John Lennon, ultimately culminating in his plot to end Lennon's life.