'''Mark David Chapman''' (born May 10, 1955) is an American man who infamously murdered [[John Lennon]] on December 8, 1980. Since then he has been incarcerated at Attica Correctional Facility, [[New York]]. | '''Mark David Chapman''' (born May 10, 1955) is an American man who infamously murdered [[John Lennon]] on December 8, 1980. Since then he has been incarcerated at Attica Correctional Facility, [[New York]]. |