but we were so excited to be here to the marathon to see our son run, and it's a war zone. >> reporter: is there anything that sort of surprised you? you said you were in such shock you kind of had a different reaction than you might suspect you would in a situation like this. >> i didn't think that i would be calm. and i wasn't calm, i was just in complete shock. when you see bodies around you and limbs, you think in advance that you're going to be just -- you'll melt down. but you really -- you're thinking, trying to move people out of there. i tried to get my wife out of there, but i suppose to her credit she immediately wanted to go down into the street. but you're caught in a dilemma because you know it's terrorism, you're wondering if there's a third bomb to take out first responders and people that are helping. but, you know, this was -- this was designed to maim and kill,