For 3, bomb suspect's friendship leads to charges - Article Photos 5/5

Special Agent in Charge of the FBI's Boston Field Office Richard DesLauriers departs after the arraignment of three college friends of Boston Marathon bombing suspect Dzhokhar Tsarnaev at the Moakley Federal Courthouse in Boston, Mass., Wednesday, May 1, 2013. Dias Kadyrbayev, Azamat Tazhayakov and Robel Phillipos were arrested and charged with removing a backpack containing hollowed-out fireworks from Tsarnaev's dorm room. (AP Photo/Charles Krupa)