"allahu akbar," all of them. >> pelley: with those arabic shouts of "god is great," schrier told us he was delivered to an even worse prison, where he was shocked with a taser, beaten and starved. as the months went by, there would be six prisons in all. and when he reached the last one, he was thrown into yet another basement cell. but in this one, there was something different near the ceiling. >> schrier: in, like, five minutes, i noticed the window had wires all across the outside-- not thin wires, they were thick. and they were concreted into the foundation of the building. but once upon a time somebody must have broken in, because the last window, the wires didn't match up. >> pelley: he spent weeks looking at the wires, but not touching, not after being tortured for those gouges in the door. >> schrier: and i would stare at it. and i figured it out. horizontally, they had three wires crossed. but they only welded it on one side. so i said, "if i take out the verticals i could bend them and take them out one at a time. then, i can bend the welded pieces back because they weren't