next targets, lay awake at night thinking. >> i would imagine peter trying to build this bomb. had to do it on a work bench obviously, but he's got the shakes. so i think about that. did he, or did he have somebody else do it for him? boy. then i would think the same thing about paul. by working side to side with the guy, i could see that he was smart. super smart guy. >> by the time the rice crop came in the first couple weeks of october, the whole case had gone into a kind of stall. atf agent brian parker was particularly frustrated. while the door of the electrical panel had been recovered. the box itself where the bomb had been placed was still missing. >> the most logical place where that remains of that panel was, was in the river that was directly behind where the explosion occurred.