These guys are responsible for MIT officer that was killed last night.
Tamerlan Tsarnaev, 26, died after an overnight shootout with police. He's the man described Thursday by the FBI as black-capped Suspect No. 1 in the attacks Monday that killed three.
His brother, Dzhokar Tsarnaev, apparently escaped -- leading police to throw a huge dragnet around the region. In photos released by the FBI of the bombing suspects, the younger brother is seen wearing a white cap. The agency called him Suspect No. 2.
Updates will be a little slow and focused today as nothing will be reported unless it is rock solid information.