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
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