FILE - Medical workers aid injured people at the finish line of the 2013 Boston Marathon following an explosion in Boston, Monday, April 15, 2013. More than 200 were injured in the bombings and no one... more 
FILE - Medical workers aid injured people at the finish line of the 2013 Boston Marathon following an explosion in Boston, Monday, April 15, 2013. More than 200 were injured in the bombings and no one knows yet what the total medical costs will be. (AP Photo/Charles Krupa) less 
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Associated Press | Photo By Charles Krupa
Thu, Apr 25, 2013 3:56 PM EDT