a fifth explosion rocks texas. this time a package inside a fedex facility about an hour south of austin. they suspect it is connected to the other four bombings in the area this month. let s discuss with retired fbi supersizer agent, james. so as we look at this, as you were just pointing out to me in the break, this is the first time we had acknowledgment from law enforcement of shrapnel. the le thalty of a bomb is based on three things. most people who are hurt, injured casualties from the bomb are from the overpressure. that s the most dangerous aspect of a bomb. the second piece of that is the