Mark David Chapman killed John Lennon because he was mentally ill. That is clear. Because of this derated mental state chapman believed by killing Lennon he would absorb his fame. Without much exploration and proper insite people tend to think that the reason he killed was because he was a cynic who had become obsessed with the the book Catcher in the Rye, that is only half true. In the book the main character Holden cannot stand celebrities because he thinks that they are “phonies” and doesn't like the world revolving around their news. That central idea that Holden believes in is completely opposite of Chapman's mind set. “I thought that by killing him I would acquire his fame.” This act made Chapman a celebrity which Holden would not want