TERROR IN BOSTONA COUPLE HOURS AFTER THE WINNERS OF THE 2013 BOSTON MARATHON CROSSED THE TAPE TO FINISH THE RACE, A BOMB EXPLODED JUST A FEW YARDS FROM THE FINISH LINE, AND 12 SECONDS LATER, A SECOND BOMB DETONATED A FEW HUNDRED FEET UP THE COURSE ON BOY

Bill Iffrig, 78, of Lake Stevens, Washington state, is assisted by a race official after collapsing as a Boston Police officer draws her weapon moments after a bombing at the Boston Marathon finish line on Monday, April 15, 2013.