Presidency of John F. Kennedy killed Oswald due to his own grief over Kennedy's death, but the assassination of Kennedy and the death of Oswald gave rise to enormous speculation that Kennedy had been the victim of a conspiracy. Kennedy was succeeded as president by Lyndon Johnson, who stated on November 27 that "no memorial or oration or eulogy could more eloquently honor President Kennedy's memory than the earliest possible passage of a civil rights bill for which he fought so long." President Johnson created the Warren Commission—chaired by Chief Justice Earl Warren—to investigate the assassination. The Warren Commission concluded that Oswald acted alone in
Assassination of John F. Kennedy in popular culture and re-enacting the assassination of the president. The assassination has been the subject of many time travel and alternate history stories in science fiction film, television and literature, many with Kennedy and/or Oswald surviving or other people in the Presidential limousine dead. Some of these have Governor John Connally killed in place of Kennedy. A pair of alternate history films called "The Trial of Lee Harvey Oswald" made in 1964 and 1977 have the accused assassin not being killed by Jack Ruby and standing trial for the murder of President Kennedy. Neither film ends in a verdict: the earlier movie