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

Good Samaritans tend to injured spectators on the sidewalk of Boylston Street in Boston after a bombing near the finish line of the Boston Marathon on Monday, April 15, 2013. Three people were killed and over 200 injured in the attacks.