An investigation of the growing number of conspiracy theories surrounding the 9/11 terrorist attacks on the United States of America in 2001. Some people believe that the American Government allowed or actively helped the attacks on the World Trade Centre in New York and the nerve centre of the defence of the USA, the Pentagon in Washington DC. And why was America so unprepared when terror attack warnings had been received? The Conspiracy Files travels across the United States to investigate and speak to eyewitnesses, and tries to separate fact from fiction. Show less