Federal Grand Jury Returns 30-Count Indictment Related to Boston Marathon Explosions and Murder of MIT Police Officer Sean Collier

A federal grand jury returned a 30-count indictment against Dzhokhar A. Tsarnaev for his alleged role in using weapons of mass destruction at the Boston Marathon to kill three individuals and maim or seriously injure many others, as well as for using a firearm to intentionally kill Massachusetts Institute of Technology (MIT) Police Officer Sean Collier.