John F. Kennedy assassination conspiracy theories stated that the Warren Commission had "failed to investigate adequately the possibility of a conspiracy to assassinate the President". The Ramsey Clark Panel and the Rockefeller Commission both supported the Warren Commission's conclusions. The last remaining documents under Section 5 of the President John F. Kennedy Assassination Records Collection Act of 1992 were released on October 26, 2017, while the remaining ones that are still classified will only be analyzed for redactions. According to author John C. McAdams, "[t]he greatest and grandest of all conspiracy theories is the Kennedy assassination conspiracy theory." Others have often referred to it as "the
John F. Kennedy assassination conspiracy theories indicated there was complicity on the part of Johnson include Jim Marrs, Ralph D. Thomas, J. Gary Shaw, Larry Harris, Walt Brown, Noel Twyman, Barr McClellan, Craig Zirbel, Phillip F. Nelson, and Madeleine Brown. The fact that JFK was seriously considering dropping Johnson from the ticket in favor of NC Governor Terry Sanford should Kennedy run in 1964 has been cited as a possible motive for Johnson's complicity in the assassination. In 1968, Kennedy's personal secretary Evelyn Lincoln wrote in her book, ""Kennedy and Johnson"" that President Kennedy had told her that Lyndon B. Johnson would be replaced as Vice