CNN Legal View With Ashleigh Banfield March 4, 2015 17:13:00
People. >> we were collecting pieces of shrapnel inside the bombs. >> reporter: day three, a break in the case. of the surveillance videos from businesses and spectators, a man in a white ball cap at the second blast site. >> he slides that backpack off his shoulder and stands and mills around. a short time later, he makes a cell phone call. very shortly thereafter, you hear the first bomb go off. >> reporter: day four, the fbi asks the public for help finding two men, later identified as tamerlan and dzhokhar tsarnaev, now on the run. officials say the brothers execute m.i.t. police officer s...
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