Article Photos: Boston bombing suspect captured, brother killed 45/55

A police officer stands guard at the scene as the search for suspect in the Boston Marathon bombings continues , Friday, April 19, 2013, in Watertown, Mass. Gunfire erupted Friday night amid the manhunt for the surviving suspect in the Boston Marathon bombing, and police in armored vehicles and tactical gear rushed into the Watertown neighborhood in a possible break in the case.  (AP Photo/Matt Rourke)