Government Agencies FBI

  • Boston Investigators Hunt For Two Men

    While authorities search for two men seen on camera just before the bombs went off on Monday; President Obama and other leaders attend an interfaith service in honor of the victims, reports CNBC's Scott Cohn.

  • No Arrest Yet in Boston Marathon Attack

    CNBC's Scott Cohn reports President Obama will attend the "Healing Our City" memorial today in Boston, as law officials continue to hunt for a man seen in a department store video.

  • Boston Bomb Video Spots 'Person of Interest'

    CNBC's Scott Cohn reports the latest details on the investigation into the Boston Marathon bombing.

  • Video Spots 'Person of Interest' in Boston Bombing

    CNBC's Scott Cohn reports the latest details on the investigation into the Boston Marathon bombing.

  • Three Additional Security Concerns Surface in Washington DC

    CNBC's Eamon Javers reports Capitol Hill staffers got an email alert by police to avoid the third floor of the Hart Senate Office building. Authorities say they might know who sent the letters, reports CNBC's John Harwood.

  • Hunt For Boston Bomb Suspects Wide Open: FBI

    New details are emerging about the type of device used in Monday's bombing in Boston, reports CNBC's Scott Cohn.

  • Boston Crime Scene Photos Show Twisted Remains of Device

    Investigators appear no closer to finding a suspect but are learning more about the bombs used, reports CNBC's Scott Cohn.

  • 'Soft Targets' Concern Security Experts

    CNBC's Eamon Javers has the latest details on a ricin-laced letter sent to Sen. Wicker's office. And, Clark Ervin, former Homeland Security Department official; and Clint Van Zandt, former FBI profiler, discuss whether Monday's bombing leaves major events such as sporting, more vulnerable to future attacks.

  • Boston Bombs Believed Packed in Pressure Cookers

    CNBC's Scott Cohn reports the type of devices used in Monday's bombing in Boston are beginning to emerge.

  • Federal Agents Zero In on Bomb's Charred Remains

    Bomb fragments are being reconstructed at an FBI laboratory, reports CNBC's Scott Cohn. And, Philip Mudd, New America Foundation, discusses the psychological impact of terrorism and how to avoid copycat attacks.

  • Congress Reacts to Ricin Letter & Boston Bombings

    CNBC's Eamon Javers has the latest details on a ricin-tainted envelope sent to the office of Sen. Roger Wicker (R-MI). Sen. Jack Reed (D-RI) and Sen. Angus King (I-ME) discuss a poison-laced letter sent to Capitol Hill, as well the Boston Marathon bombings.

  • Poison Laced Letter Sent to US Senator

    A ricin-tainted envelope was sent to the Capitol Hill office of Sen. Roger Wicker, (R-MI), reports CNBC's Eamon Javers.

  • Boston Bombs Possibly Delivered in Black Duffle Bags

    CNBC's Scott Cohn reports the FBI and state and local law officials are intensifying their probe into Monday's bombing at the Boston Marathon, recovering two pressure cookers packed with nails and other metals.

  • Security Lockdown for Thatcher's Funeral

    CNBC's Ross Westgate reports on the huge security operation ahead of the funeral of former UK Prime Minister Baroness Thatcher.

  • National Security in Washington Spotlight

    The latest on the terror events in Boston and how the nation's capital is responding, with CNBC's Eamon Javers.

  • All Clear at Logan Airport After Security Search

    CNBC's Bertha Coombs has the latest details on reopening of Boston's airport, as law enforcement officials continue to collect video from surveillance cameras and watch for a man seen leaving the scene after the blast.

  • London Prepares For Thatcher's Funeral & Marathon

    Large events around the globe are affected by the tragic events in Boston, reports CNBC's Tom Mackenzie.

  • Boston Tragedy 'Not a Surprise': Security Expert

    The "sort of attack" we saw in Boston, feels like the kind of attacks we've been seeing in the past 10 years or more, said, Stewart Baker, Steptoe and Johnson partner. "We are going to find these folks, the Bureau is really good at dealing with this kind of evidence and crime scene," he added.