John F. Kennedy assassination conspiracy theories fired at President Kennedy came from the sixth-floor window at the southeast corner of the Texas School Book Depository. The Commission based its conclusion on the "cumulative evidence of eyewitnesses, firearms and ballistic experts and medical authorities", including onsite testing, as well as analysis of films and photographs conducted by the FBI and the US Secret Service. In 1979, the House Select Committee on Assassinations agreed to publish a report from Warren Commission critic Robert Groden, in which he named "nearly [two] dozen suspected firing points in Dealey Plaza". These sites included multiple locations in or on the roof of
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