real fast that's what was what was going on so anyone killed yes a young physicist by the name of robert foster not was killed in the initial blast . the f.b.i. team immediately focused their investigation on a car spotted fleeing from the scene at high speed. the bombers were led by a twenty two year old college dropout are all armstrong. this is the route you came up from the y.m.c.a. armstrong agreed for the first time to return to the building and tie. about the night he's bombed wisconsin. where did the idea come from for a car bomb my brother why were like basically you know we were considering ways to our math research center them my brother going snows oh why don't we just fill up a truck full of explosives into sudden off the side of the building and my immediate reaction was that's crazy the armstrong brothers stumbled upon the ultimate terrorist weapon of the twentieth century. but there was another deadly twist they bought the base materials for their explosives in the local hardware store. first while we bought the materials from a farmer's co-op ammonium nitrate and fuel oil and t