• CNBC's Bill Griffeth reports the latest on the lockdown in the Boston area.

  • Media Briefing on Marathon Bombing  Friday, 19 Apr 2013 | 12:33 PM ET

    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.

  • Can't Take Eye off Threat Overseas & At Home: Silber  Friday, 19 Apr 2013 | 12:10 PM ET

    Mitchell Silber, K2 Intelligence, weighs in on how shocked the U.S. should be that the Boston bombings suspect Dzhokhar Tsarnaev received education in the U.S.

  • The latest in the manhunt for Dzhokhar Tsarnaev, a suspect in the Boston bombings, with CNBC's Bertha Coombs; Brian Shactman; and Scott Cohn. Harvard University graduate student Melissa Nozell, shares an update on the lockdown in Boston.

  • 'They Are Certainly Terrorist': NYPD Detective  Friday, 19 Apr 2013 | 11:52 AM ET

    "The big picture is where this is taking us on the war on terrorism," said Gil Alba, former New York Police Department detective, discussing the terrorist attacks in Boston.

  • "He had a lot of friends, he was very popular," said a friend of Dzhokhar Tsarnaev, when asked about his relationship with the terror suspect.

  • Never Seen This Level of Security: Bill Griffeth  Friday, 19 Apr 2013 | 11:41 AM ET

    CNBC's Bill Griffeth reports a live update on the search for the Boston bombing suspect, from Watertown, MA.

  • Former Congressman Barney Frank, (D-MA), discusses how he heard the news about the Boston area lockdown, and its impact on the city.

  • 'Turn Yourself in!' Pleas Boston Suspect's Uncle  Friday, 19 Apr 2013 | 11:26 AM ET

    Ruslan Tsarni, the uncle of the suspects in the Boston Marathon bombing, strongly urges his nephew to surrender to police. (7:30)

  • Other Cities Take Security Measures  Friday, 19 Apr 2013 | 11:07 AM ET

    CNBC's Eamon Javers and Kelly Evans discuss what Washington, DC and London are doing to increase security.

  • Photos Helped Catch Terrorist: DHS Official  Friday, 19 Apr 2013 | 11:07 AM ET

    "The technological lesson we should learn from this is just how valuable cameras are after an attack," said Stewart Baker, former assistant secretary for policy at the Department of Homeland Security.

  • 'I Know Cambridge Very Well': Mayor  Friday, 19 Apr 2013 | 11:04 AM ET

    Mayor Joseph Curtatone, (D), Somerville, MA, describes the area of Cambridge, as a "great community" with a great school system, as citizens in the surrounding towns stay indoors, while police search for the bombing suspect.

  • Secretary of State John Kerry, comments on the ongoing search for the suspect in Monday's Boston Marathon bombings.

  • CT Police: Gray Honda CRV Recovered in Boston  Friday, 19 Apr 2013 | 10:45 AM ET

    CNBC's Bertha Coombs reports according to Connecticut police, the Honda CRV believed to be connected to a suspect in the Boston bombings, was recovered in Boston; and Jan Fedarcyk, former New York FBI director, discusses the progress of the manhunt.

  • My Gen. Barry McCaffrey (Ret), how unrest in Russia and Chechnya may have sparked the terror attack in Boston.

  • Giuliani Wonders About the Chechen Connection  Friday, 19 Apr 2013 | 10:27 AM ET

    CNBC's Bertha Coombs provides a recap on the police search for the suspects in Boston's bombing. And, former New York City Mayor Rudy Giuliani, discusses why he is confused the suspects targeted the United States.

  • Greg Steinbrecher, MIT's "The Tech" reporter, reveals how students at MIT are responding to the death of a campus police officer; shot and killed in last night's capture of the Boston bombing suspect.

  • How Police Tracked and Captured Suspect: Expert  Friday, 19 Apr 2013 | 10:07 AM ET

    Van Harp, former Asst. Dir. of D.C. FBI field division, explains the tactics and techniques used in tracking down the Boston bombing suspects. And, CNBC's Courtney Reagan reports the latest details on Friday's market activity.

  • Manhunt Expands to Additional Suspects  Friday, 19 Apr 2013 | 10:00 AM ET

    Bertha Coombs reports authorities appear to be looking for more than one suspect in the Boston Marathon bombings.