Overview: Three devastating crashes make front page news around the globe, and the media frenzy puts intense pressure on investigators to uncover the true cause of these deadly disasters. On September 11th, 2001, American Airlines Flight 77 disappears from radar and slams into Pentagon. When TWA Flight 800 explodes over Long Island, a media reports spark a four year investigation. And, when an Air France Concorde crashes in Paris just seconds after takeoff, it signals the end of the supersonic era.