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
Assassination of John F. Kennedy to impact the facts of the Kennedy assassination. President Donald Trump said in October 2017 that he would not block the release of documents. Many conspiracy theories posit that the assassination involved people or organizations in addition to Lee Harvey Oswald. Most current theories put forth a criminal conspiracy involving parties as varied as the FBI, the CIA, the U.S. military, the Mafia, Vice President Johnson, Cuban President Fidel Castro, the KGB, or some combination of those entities. Public opinion polls have consistently shown that a majority of Americans believe there was a conspiracy to kill Kennedy. Gallup polls have