but first i want to go back to washington. pete williams has some breaking news on the boston marathon case. pete? >> andrea, the federal grand jury has now returned the next step in the charge against the remaining suspect in the boston marathon case, dzhokhar tsarnaev. this follows on to the original criminal complaint on which he was arrested. he's charged now with killing three people at the boston marathon, maiming or seriously injuring several other people, and shooting and killing the m.i.t. police officer, shawn collier. some of the details in the indictment are new. for example, prosecutors say that as tsarnaev was hiding from the police, bleeding in that boat in the backyard in water ton, massachusetts, he wrote on the inside wall beams of the boat. we've known that but now we have more details of what you wrote. he wrote, among other things, "the u.s. government is killing our innocent civilians.