A law enforcement official searches a man near the finish line of the Boston Marathon, Tuesday, April 15, 2014, in Boston. Vice President Joe Biden is expected to be among the dignitaries Tuesday ... more 
A law enforcement official searches a man near the finish line of the Boston Marathon, Tuesday, April 15, 2014, in Boston. Vice President Joe Biden is expected to be among the dignitaries Tuesday during ceremonies to honor the victims, first responders, doctors and nurses who helped them, after the Boston Marathon bombings, at the Hynes Convention Center in Boston. (AP Photo/Steven Senne) less 
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Associated Press | Photo By Steven Senne
Tue, Apr 15, 2014 1:24 PM EDT