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
Timeline of the John F. Kennedy assassination was issued US Passport DO 92526 which was valid for three years to all countries except Albania, Cuba and those portions of China, Korea and Vietnam that were under communist control. September 17, 1963: Jack Valenti sends an invitation to the White House asking if President Kennedy would attend an Appreciation Dinner in Houston on November 21, 1963 honoring Albert Thomas for his decision not to retire from Congress. The invitation is received at the White House on September 19, 1963. Lee Oswald is issued a 15 day Mexican tourist card using the name LEE, Harvey Oswald. September 20, 1963: