inside the fbi's terror bomb analysis center. the team helps shape global security. catherine herridge takes a look at the inner workings of the bureau. >> the devil jigsaw puzzle. reporter: the chief explosive scientist at the terrorist explosive device analytical center in huntsville, alabama. >> as a bomb examiner, your job is to take all those pieces and put together a coherent puzzle. reporter: this looks like the shoe bomb. >> yes. reporter: fox news obtained exclusive evidence photos including the 2001 device worn by al qaeda terrorist richard reid. >> the shoe bomb was a game-changer, that's why we're taking our shoes off in airports. when you cut it open and splice it, you have the initial waffle. reporter: alan eisenberg