John F. Kennedy assassination conspiracy theories found in my research" points to involvement by Johnson. In its report, the Warren Commission stated that it had investigated "dozens of allegations of a conspiratorial contact between Oswald and agents of the Cuban Government" and had found no evidence of Cuban involvement in the assassination of President Kennedy. The House Select Committee on Assassinations also wrote: "The committee believes, on the basis of the evidence available to it, that the Cuban Government was not involved in the assassination of President Kennedy". However, some conspiracy theorists continue to allege that Fidel Castro ordered the assassination of Kennedy in retaliation for
John F. Kennedy assassination conspiracy theories Kennedy and others. Historian Michael L. Kurtz wrote that there is no evidence suggesting that Johnson ordered the assassination of Kennedy. According to Kurtz, Johnson believed Fidel Castro was responsible for the assassination and that Johnson covered up the truth because he feared the possibility that retaliatory measures against Cuba might escalate to nuclear war with the Soviet Union. In 2012, biographer Robert Caro published his fourth volume on Johnson's career, "The Passage of Power", which chronicles Johnson's communications and actions as Vice President, and describes the events leading up to the assassination. Caro wrote that "nothing that I have