In 1947, a spacecraft crashed in Roswell, New Mexico. Three aliens survived and were subject to an autopsy which was recorded on film by a United States Army cameraman - and hidden by the USgovernment for nearly 50 years until it was discovered by Ray Santilli and Gary Shoefield. Or was it? When it was first seen, the Alien Autopsy footage created a storm of sensation around the world and, for over a decade, has caused furious international debate. This incredible story, that inspired the box office hit Ant and Dec film, "Alien Autopsy", is investigated by Eamonn Holmes. Was the film that Santilli and Shoefield found authentic or was it made in 1995 and, if so, who made it? This programme uncovers the truth for the first time, with exclusive interviews with Ray Santilli and Gary Shoefield, the man that made the "alien" and the mysterious figure behind the window. It finds the London flat where it was filmed, tells where the bodies were buried and talks to the butcher who supplied the body parts! Finally, the truth is revealed - This programme tells the real story behind the footage that has intrigued the world for over a decade. Also, for the first time on video, you can see the original Alien Autopsy footage in full and uncut - so you can make up your own mind!