sides of the buildings. we found bodied everywhere. there was a severed head inside the bomb center. >> reporter: this video of the shrapnel was sent in the after math and sent to cnn. a cameraman working for cnn subsequently filmed these images for us. munitions experts say this was a u.s. mark ak-82 bomb weighing in at half a ton the first five digits are the cage incident. the commercial and this denotes lockheed martin. one of the top u.s. defense contractors. this particular mk-82 is a paveway, a laser hef guided precision bomb. it's targets accuracy up to a particular point of pride for lockheed martin. but with an arms deal with saudi arabia sanctioned and contracted out by the u.s. government. so why does the matter?