FBI issues photos of 2 suspects in Boston bombing - Article Photos 18/43

A foam finger, right, stands at a makeshift memorial on Boylston Street near the blast site of the Boston Marathon explosions, as a man wearing running gear stops to pay respects, Thursday, April 18, 2013, in Boston. The city continues to cope following Monday's explosions near the finish line of the marathon. (AP Photo/Julio Cortez)