The Presient's Commission on the Assassination of President Kennedy, known unofficially as The Warren Commission, was established on November 29, 1963, by Lyndon B. Johnson to investigate the assassination of U.S. President John F. Kennedy on November 22, 1963. Their 888-page final report was presented to President Johnson on September 24, 1964 and made public three days later. It concluded that Lee Harvey Oswald acted alone in the killing of Kennedy. The Commission's findings have since proven extremely controversial, and have been both challenged and reaffirmed.