Mark David Chapman — American Criminal born on March 10, 1955,

Mark David Chapman is an American prison inmate who murdered John Lennon on December 8, 1980. Chapman shot Lennon outside The Dakota apartment building in New York City. Chapman fired at Lennon five times, hitting him four times in the back. Chapman later remained at the crime scene reading J. D. Salinger's novel The Catcher in the Rye until the police arrived and arrested him. Chapman repeatedly said that the novel was his statement... (wikipedia)

I don't think I'm a celebrity. A chimpanzee could have done what I did.
I just shot John Lennon.
I really didn't mean to hurt anybody. I liked John Lennon.
I wanted to be videotaped.
I feel that I see John Lennon now as not a celebrity. I did then. I saw him as a cardboard cutout on an album cover.