Boston is on lock-down this morning as police continue to hunt for the 2nd suspect in the Boston marathon bombings. Overnight, the two suspects killed an MIT police officer, injured a transit officer in a firefight and threw explosive devices at police during their getaway attempt. One suspect was killed, the surviving Boston bombing suspect has been identified as Dzhokhar A. Tsarnaev, 19, of Cambridge, Mass.
We discuss the latest news with:
- MIT professor and science writer Seth Mnookin, who witnessed much of the violence overnight and has been reporting on developments this morning
- WNYC's Fred Mogul in Watertown, MA
- Harvard professor Jessica Stern, who served on President Clinton's national security council