Leads 2000 News Today

Good wednesday morning. welcome to a special edition of "early start." im brooke baldwin. >> im john bermen. we are live in boston. its 5:00 a.m. in the east. new developments in the boston marathon bombings to tell you about this morning. investigators tracking down some 2,000 leads. 2,000. examining chilling new photos. these photos just released overnight showing the remains of one of the detonated devices. they show wires, they show a battery and bits of what appears to be a circuit board....