FILE - In this Monday, April 15, 2013, file photo, Boston EMT Paul Mitchell, left, bystander Carlos Arredondo, in cowboy hat, and Boston University student Devin Wang push Jeff Bauman in a wheelchair after he was injured in one of two explosions near the finish line of the Boston Marathon. Bauman and his three rescuers, became one of the most recognizable and powerful symbols of Boston's resilience after the April 15 attacks. (AP Photo/Charles Krupa)
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