out the door. i'm like, well, this is real! so, i think i'm also going to make my exit and just get out of here. >> the 38-year-old woman died. one of the deputies was treated for injuries that may have come from a ricocheting bullet. this morning we're hearing for the first time from the humble hero who helped expose the plot to blow up his high school. 17-year-old truman templeton said he was not the only one aware of fellow student grant acord's bomb-making obsession, but he became increasingly worried that his friend was not just bragging or joking about blowing up the school. truman says when he no longer felt safe at school, he told his mother what he knew. >> the tipping point for me was when i was, you know, just worried about being in school and i thought at that point, okay, this school's supposed to be a safe, secure environment. >> the mother told a law enforcement friend who notified police. during a search of acord's bedroom, police say they found two pipe bombs, two molotov cocktails and explosives made from drain cleaner. >> quite an arsenal. a scary, new warning from