Suspected Boko Haram militants attacked Nigeria's major northeastern city of Maiduguri and the town of Monguno on Sunday, sources said.» Read More
NBC's Pete Williams reports the latest developments on the manhunt for the second bombing suspect.
NBC's Lester Holt describes the scene where police have converged in Watertown, MA.
NBC's Kerry Sanders describes the scene of the latest round of fire.
There are reports that gun shots have been fired in Watertown, MA.
Mitch Epner, former federal prosecutor, explains how the suspect would be apprehended and brought to trial. "This would be a death penalty-eligible case," he says.
An update on the search for the second bombing suspect, with CNBC's Bill Griffeth.
CNBC's Courtney Reagan has a statement from the dead bombing suspect's mother-in-law.
Police provide an update on finding the Boston Marathon suspect.
CNBC's Scott Cohn reports on the latest details emerging in the investigation of the Boston bombings.
Awaiting news from the Boston area police who are on a manhunt for one of the bomber suspects.
Scott Stewart, former special agent at the U.S. State Department, discusses possible links between the bombing suspects and Al Qaeda.
Authorities continue their hunt for a 19-year-old bomber suspect, with Craig Dotlo, former FBI supervisor and CNBC's Scott Cohn & Maria Bartiromo.
One Boston bombing suspect has been killed and another remains at large. Michael Driscoll, chief administrative officer of Watertown, MA, weighs in.
CNBC's Sue Herera reports on the very latest on the lockdown in Boston as law enforcement looks for the remaining bombing suspect.
Emma Gilligan, associate professor at the University of Connecticut, weighs in on the events in Chechnya and how they relate to the Boston bombings.
Chechen insurgents are denying any link to the Boston bombings, reports CNBC's Sue Herera, adding the manhunt is down to one person. Former FBI Special Agent Jeff Lanza, weighs in.
Clint Van Zandt, Former FBI Profiler, shares his take on where Boston bombings suspect Dzhokhar Tsarnaev may be hiding, and how this investigation could end.
Discussing what clues the CIA may be closely investigating, and how the Boston bombings suspect is getting away, with Mike Bouchard, Former ATF Director of Field Operations and Philip Mudd, Former CIA Counterterrorist Center.
Travelers are frustrated as Amtrak services are suspended between Boston and New York, reports CNBC's Brian Shactman.
Discussing what it might take to get the Boston bombings suspect alive, with Robert Licouski, Former Homeland Security Assistant Secretary and Harold Copus, Former FBI Special Agent.