Abraham Lincoln was assassinated by John Wilkes Booth, an American stage actor and Confederate sympathizer. Booth shot Lincoln in the back of the head while the president was attending a play at Ford's Theatre in Washington, D.C., on April 14, 1865. Lincoln died from his wound the following morning at 7:22 a.m. in the Petersen House across the street from the theatre

. Booth's assassination of Lincoln was part of a larger conspiracy aimed at reviving the Confederate cause by killing key federal officials. Other conspirators attempted to kill Secretary of State William H. Seward and Vice President Andrew Johnson, but those attempts failed. Booth was tracked down and killed 12 days later after a manhunt

. Thus, John Wilkes Booth is the person who killed Abraham Lincoln.