we saw crews yesterday starting to clean up copely square, the crime scene where the bombings happened. copely square is expected to open in the next couple of days through a five-phase plan. also you see the signs, boston strong, everywhere you go today at 2:50 p.m., the same time the first bomb went off a week ago, there will be a moment of silence throughout the state of massachusetts. that will be followed by a ringing of the bells here in boston and elsewhere. john? >> all right, pamela brown here in boston for us this morning. thank you very much. i want to bring in peter brookes to help us walk through the next step in the investigation. peter is a former cia analyst and former deputy assistant secretary. there are some reports this morning that investigators are beginning to communicate with dzhokhar tsarnaev, the suspect in the hospital right now, perhaps by writing if this communication is happening,