John F. Kennedy assassination conspiracy theories drug lords, including a French heroin syndicate. Soon after the assassination of President Kennedy, Oswald's activities in New Orleans, Louisiana, during the spring and summer of 1963, came under scrutiny. Three days after the assassination, on November 25, 1963, New Orleans attorney Dean Andrews told the FBI that he received a telephone call from a man named Clay Bertrand, on the day of the assassination, asking him to defend Oswald. Andrews would later repeat this claim in testimony to the Warren Commission. Also, in late November 1963, an employee of New Orleans private investigator Guy Banister named Jack Martin began
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