
Boston Marathon bombing suspect returned to court Thursday for the first time since he was arraigned in July 2013.The was a tight sercurity for the courthouse. Led in the court by two u.s. marshals Dzhokhar Tsarnaev was packed in a room with fbi agents.Three people were killed and more than 260 were injured when two bombs exploded near the finish line of the April 2013 marathon. Tsarnaev, who has pleaded not guilty to 30 federal charges, faces the possibility of the death penalty

