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

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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
Fri, Apr 26, 2013 1:34 PM EDT