Kennedy assassination
In Behold a Pale Horse, Cooper asserted that President John F. Kennedy was assassinated because he was about to reveal that extraterrestrials were in the process of taking over the Earth. According to a "top secret" video of the assassination that Cooper claimed to have discovered, the driver of the presidential limousine, William Greer, used "a gas pressure device developed by aliens from the Trilateral Commission" to shoot the president from the driver's seat.[16] The Zapruder film shows Greer twice turning to look into the back seat of the car; Cooper theorized that G