On November 29 , 1963 , President Lyndon B. Johnson appointed Ford to the Warren Commission , a special task force set up to investigate the assassination of President John F. Kennedy . Ford was assigned to prepare a biography of accused assassin Lee Harvey Oswald . He and Earl Warren also interviewed Jack Ruby , Oswald 's killer . According to a 1963 FBI memo that was released to the public in 2008 , Ford was in contact with the FBI throughout his time on the Warren Commission and relayed information to the deputy director , Cartha DeLoach , about the panel 's activities . In the preface to his book , '' A Presidential Legacy and The Warren Commission '' , Ford defended the work of the commission and reiterated his support of its conclusions
assassination
Assassination of John F. Kennedy
Gerald Ford