Who killed Abraham Lincoln?

Abraham Lincoln was assassinated by John Wilkes Booth on April 14, 1865. The killing blow was a gunshot to the back of the head while Lincoln watched the play "Our American Cousin."

John Wilkes Booth was an actor and part of a Confederate conspiracy to save the Confederacy and overthrow the government after the end of the Civil War. Along with his colleagues, Booth intended to assassinate not only Lincoln but the Vice President and Secretary of State. Booth was discovered on April 26th in a farmhouse and died during the chaos of a fire. He was dead within three hours, and four of his colleagues were later hanged.