FILE - This combination of undated photos shows, from left, Martin Richard, 8, Krystle Campbell, 29, and Lingzi Lu, a Boston University graduate student. Richard, Campbell and Lu were killed in the ... more 
FILE - This combination of undated photos shows, from left, Martin Richard, 8, Krystle Campbell, 29, and Lingzi Lu, a Boston University graduate student. Richard, Campbell and Lu were killed in the explosions at the finish line of the Boston Marathon Monday, April 15, 2013, in Boston. (AP Photo/File) less 
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Associated Press | Photo By File
Sun, Apr 21, 2013 10:52 AM EDT