Investigators comb through Boylston Street just beyond the finish line of the Boston Marathon, two days after two bombs exploded, Wednesday, April 17, 2013, in Boston. Authorities investigating the deadly bombings have recovered a piece of circuit board that they believe was part of one of the explosive devices, and also found the lid of a pressure cooker that apparently was catapulted onto the roof of a nearby building, an official said Wednesday.(AP Photo/Julio Cortez)
We'll get the latest on the search for the Boston Marathon bombing suspect.
Guests
Martin Reardon, Vice-President of The Soufan Group. A 21-year veteran of the Federal Bureau of Investigation
