FILE - In this April 15, 2013, file photo, blood from victims covers the sidewalk on Boylston Street, at the site of an explosion during the 2013 Boston Marathon in Boston. At right foreground is a ... more 
FILE - In this April 15, 2013, file photo, blood from victims covers the sidewalk on Boylston Street, at the site of an explosion during the 2013 Boston Marathon in Boston. At right foreground is a folding chair with the design of an American flag on the cover. A federal grand jury in Boston returned a 30-count indictment against bombing suspect Dzhokhar Tsarnaev on Thursday, June 27, 2013, on charges including using a weapon of mass destruction and bombing a place of public use, resulting in death. (AP Photo/Charles Krupa, File) less 
1 / 30
Associated Press | Photo By Charles Krupa, File
Thu, Jun 27, 2013 2:14 PM EDT