Discussing what the deceased bombing suspect's trip to Russia for 6 months in 2012 might mean to the investigation, with Chad Sweet, Former CIA Directorate of Operations and Michael Davidson, Former CIA Operative.
Herman "Dutch" Leonard, Harvard Kennedy School professor, weighs in on whether the Boston Marathon bombers may be just "disaffected and angry" individuals.
CNBC's Eamon Javers reports Russian President Putin has reached out to President Obama to express his condolences and offer the assistance of Russian authorities; and Arthur Hogan, Lazard Capital Markets, weighs in.
CNBC's Scott Cohn is at the site in Watertown under intense investigation; and Eurasia Group's Alexander Kliment, and Stratfor's Fred Burton discuss whether the Boston bombers were lone wolves or a part of something greater.
Discussing the possibilities of the bombing suspect being taken alive, with Former New York City Mayor Rudy Giuliani; James Reese, TigerSwan; and Stewart Baker, former assistant secretary for policy at the Department of Homeland Security.
A bombing suspect may be driving a 1999 green Honda Civic with a Massachusetts license plate of 116 GC7, reports CNBC's Brian Sullivan.
Former New York City Mayor Rudy Giuliani weighs in on the latest developments in the manhunt for Dzhokhar Tsarnaev, and where he might be hiding.
CNBC's Kelly Evans reports the London Marathon will take place on Sunday with increased security.
It was a dramatic two days that left one suspect in the Boston Marathon bombings dead and one alive in custody. Click ahead for images from the manhunt.
Boston police are conducting door to door searches for the second suspect in the Boston bombings. Rep. Patrick Meehan (R-PA), discusses how well the developments in the manhunt.
Boston remains in lockdown as the manhunt for Dzhokhar Tsarnaev continues. Andrew Arena, Detroit Crime Commission executive director, discusses what kind of cooperation the U.S. could expect from the Russians in the event there is a Chechen-connection in the Boston bombings.
A close look at Boston bombings suspect Dzhokhar Tsarnaev's VK page, with the "Power Lunch" crew. VK is a Russian-language social media site. (2:28)
CNBC's Eamon Javers reports on the amazing technological advances that have occurred since the last major manhunt. A face recognition technology can help identify suspects. Jim Wayman of National Biometric Center, weighs in.
Boston has remained under lockdown now for several hours, with CNBC's "Power Lunch" crew. Former FBI Swat Team senior member Kevin Knierim, offers insight on the training that takes place for the Swat Team members for this type of manhunt.
Discussing the danger Boston bombings suspect Dzhokhar Tsarnaev may pose to the public and law enforcement officials, with Richard Hahn, counterterrorism & forensics explosives expert.
Boston Globe Reporter David Abel spoke with neighbors and the roommate of slain Patrol Officer Sean A. Collier.
Authorities continue to look for Dzhokhar Tsarnaev, who is believed to be one of the bombers in the Boston Marathon, reports CNBC's Scott Cohn.
CNBC's Bill Griffeth reports the latest on the lockdown in the Boston area.
In this media briefing on the Boston Marathon bombings, Massachusetts Governor Deval Patrick, Boston Mayor Thomas Menino and other Boston officials, speak on the latest developments in the search for Dzhokhar Tsarnaev.
WNBC-TV Jonathan Dienst reports the deceased Boston bombings suspect Tamerlan Tsarnaev was out of the country for 6 months in 2012. Clark Ervin, former inspector general of U.S. homeland security; CNBC's Geof Cutmore; and Larry Johnson, Former counterterrorism official, provide perspective.