CNN EarlyStart April 17, 2013 09:31:00
Edition of "early start." i'm john berman. >> i'm brooke baldwin, here we are live in boston yards from where those two explosions happened. we begin with that investigation and what we know and some of these new pictures. new developments this morning as investigators are now hoping that these just-released pictures of this explosive device will lead to a crucial break or possibly an arrest here. these are the photos. they're just released showing the remains of one of the detonated devices. as you look at them, clearly they're badly mangled from the explosion, you can see wires, a battery, b...