A solitary runner heads down the banks of the Charles River in Cambridge, Mass., in front of the Boston skyline, at dawn the morning after explosions killed three and injured more than 260 at the Boston Marathon, Tuesday, April 16, 2013.
A solitary runner heads down the banks of the Charles River in Cambridge, Mass., in front of the Boston skyline, at dawn the morning after explosions killed three and injured more than 260 at the Boston Marathon, Tuesday, April 16, 2013.