John F. Kennedy assassination conspiracy theories of the plot was thwarted, the authors allege, because it would have revealed embarrassing evidence of American government involvement with organized crime in plots to kill Castro. A 2003 Gallup poll indicated that nearly 20% of Americans suspected Lyndon B. Johnson of being involved in the assassination of Kennedy. Critics of the Warren Commission have accused Johnson of plotting the assassination because he "disliked" the Kennedys and feared that he would be dropped from the Democratic ticket for the 1964 election. According to journalist Max Holland, the first published allegation that Johnson perpetrated the assassination of Kennedy appeared in Penn
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