Mourners attend a candlelight vigil in the aftermath of Monday's Boston Marathon explosions, which killed at least three and injured more than 140, Wednesday, April 17, 2013, at City Hall in ... more 
Mourners attend a candlelight vigil in the aftermath of Monday's Boston Marathon explosions, which killed at least three and injured more than 140, Wednesday, April 17, 2013, at City Hall in Cambridge, Mass. (AP Photo/Matt Rourke) less 
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Associated Press | Photo By Matt Rourke
Thu, Apr 18, 2013 10:58 AM EDT