• Ricin Detected in Letters to NY Mayor Bloomberg Wednesday, 29 May 2013 | 6:50 PM ET
    Mayor Michael Bloomberg

    New York police said two anonymous letters sent to Mayor Michael Bloomberg contained traces of the deadly poison ricin.

  • Obama Speaks Out on Drones   Thursday, 23 May 2013 | 2:15 PM ET
    Obama Speaks Out on Drones

    President Obama is giving a speech on counterterrorism in Washington, specifically addressing the use of drones, with CNBC's John Harwood.

  • Two More Arrests In London Knife Attack   Thursday, 23 May 2013 | 1:42 PM ET
    2 More Arrests In London Murder

    A man and a woman were arrested on suspicion of conspiracy to murder, reports NBC's Annabel Roberts.

  • Were London Killers Acting Alone?   Thursday, 23 May 2013 | 4:20 AM ET
    Were London Killers Acting Alone?

    Following the death of a man in London by Islamic extremists, NBC's Annabel Roberts reports from the ground.

  • Man Knifed to Death in Suspected London Terror Attack

    CNBC reports on the suspected terrorist attack in south-east London in which a man was killed. Warning: this video contains graphic images.

  • 2 Men Kill British Soldier In London   Wednesday, 22 May 2013 | 7:25 PM ET
    2 Men Kill British Soldier In London

    Eyewitnesses say 2 attackers tried to behead a soldier in London today, and the 2 men then charged at police once they arrived and were both shot at, reports NBC's Michelle Krosinski.

  • UK Official: London Attack Could be Terror-Related   Wednesday, 22 May 2013 | 2:33 PM ET
    UK Official: London Attack Could be Terror-Related

    NBC's Michelle Kosinski reports on what could be a brutal terror attack in London.

  • Bioterrorism Profits   Monday, 20 May 2013 | 1:42 PM ET
    Bioterrorism Profits

    The LA Times is reporting former Navy Secretary Richard J. Danzig urged the government to counter what he called a major threat to national security, with CNBC's Hampton Pearson.

  • Spire Added to 1 World Trade Center   Friday, 10 May 2013 | 7:25 PM ET
    Spire Added to 1 World Trade Center

    White House press secretary Jay Carney was grilled by reporters today over new emails in relation to the Benghazi attack, and the spire was attached to the top of the World Trade Center today, reports CNBC's Courtney Reagan.

  • Three Men Charged With Interfering in Boston Wednesday, 1 May 2013 | 5:45 PM ET
    Runners in Watertown, Mass., with American flags and a Boston Strong T-shirt.

    U.S. authorities on Wednesday charged three men with interfering with the investigation of the Boston Marathon bombing.

  • 3 Men Arrested in Boston Case   Wednesday, 1 May 2013 | 2:20 PM ET
    3 Men Arrested in Boston Case

    CNBC's Bertha Coombs has new information on the three young men arrested in connection to the Boston bombings.

  • Boston Bomber's Roommates Charged   Wednesday, 1 May 2013 | 1:58 PM ET
    Boston Bomber's Roommates Charged

    Two roommates of Dzhokhar Tsarnaev, the Boston Marathon bombing suspect, will be charged with lying to investigators, reports CNBC's Bertha Coombs.

  • Adding the Costs of the Boston Bombings Wednesday, 1 May 2013 | 11:37 AM ET

    In a matter of moments, the Boston Marathon bombings inflicted as much as $333 million in damage to the local economy. Here's a breakdown.

  • Boston Police Hold 3 Additional Suspects in Bomb Investigation

    CNBC's Bertha Coombs reports breaking news regarding additional suspects in custody in the Boston bombing investigation. (2:09)

  • US, Russia Teaming vs. Terror? Don't Count On It Tuesday, 30 Apr 2013 | 12:59 PM ET

    U.S. intelligence failures can be attributed to a lack of cooperation among internal U.S. agencies. An increase in cooperation with external agencies simply isn't feasible.

  • 'We've Got to Close Guantanamo': Pres. Obama   Tuesday, 30 Apr 2013 | 11:13 AM ET
    'We've Got to Close Guantanamo': Pres. Obama

    President Obama explains to reporters why he believes the U.S. can no longer keep Guantanamo Bay open. This is a lingering problem that is going to "fester," he added.

  • Pres. Obama: 'Things Are Dysfunctional on Capitol Hill'

    President Obama answers questions from reporters about the political divide in Congress and the impact of the sequester on the economy.

  • Return to Normal.. Take Your Cues From Boston: Pres. Obama

    President Obama answers questions about the Boston Marathon bombing and protecting the country from further attacks. The FBI and Homeland Security performed "exemplary" in their duties, adding his administration is cooperating fully with all departments to protect and prevent these attacks.

  • Pres. Obama: Chemical Weapon Use is a 'Game Changer'

    President Obama answers questions from reporters at a news conference held in the White House Briefing Room. In the first set of questions, the President answers questions about the Syrian "red line" and U.S. strategy to find a solution to the unfolding disaster in that country.

  • Amazing Discovery In Manhattan   Friday, 26 Apr 2013 | 7:25 PM ET
    Amazing Discovery In Manhattan

    Landing gear that is believed to be from one of the planes used in the September 11th attacks was found between 2 buildings today, reports CNBC's Bertha Coombs.