Officials stand guard near the site of the Boston Marathon explosions, Wednesday, April 17, 2013, in Boston.
Photo by Associated Press /Chattanooga Times Free Press .
published Thursday, April 18th, 2013
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BOSTON — In what could be a major break in the Boston Marathon case, investigators are on the hunt for a man seen in a department store surveillance video dropping off a bag at the site of the bombings, a local politician said Wednesday.