• Boston Police: There Has Been No Arrest  Wednesday, 17 Apr 2013 | 2:39 PM ET

    Boston police tweeted there has been no arrest in the marathon attack, reports CNBC's Bill Griffeth.

  • NBC's Windrem: There Has Been No Arrest  Wednesday, 17 Apr 2013 | 2:21 PM ET

    CNBC's Brian Sullivan speaks to NBC News Terrorism Expert Bob Windrem about the investigation of the Boston bombing. Windrem says it is very clear at this point there has not been an arrest. Fred Burton, Stratfor, weighs in.

  • CNBC's Bill Griffeth reports NBC is saying authorities have "solid leads" in the Boston bombing. (1:28)

  • NBC: No Person In Custody At This Time  Wednesday, 17 Apr 2013 | 2:15 PM ET

    House Homeland Security Chief Michael McCaul (R-TX) said he spoke with the FBI and was told they do not have anyone in custody at this time, with CNBC's Bill Griffeth. Fred Burton, Stratfor, weighs in.

  • Officials have made substantial progress in the Boston bombings investigation, reports CNBC's Scott Cohn. Philip Mudd, Former CIA Counterterrorist Center Deputy Director, provides perspective.

  • Arrest Has Been Made In Boston Bombing: AP  Wednesday, 17 Apr 2013 | 2:07 PM ET

    The Associated Press is reporting an arrest has been made in the Boston bombing, with CNBC's Scott Cohn.

  • Boston Suspect to be Taken Into Custody: AP  Wednesday, 17 Apr 2013 | 1:45 PM ET

    The Associated Press is reporting according to a law enforcement official, a suspect in the Boston bombings is about to be taken into custody and taken to a courthouse. CNBC's Scott Cohn offers insight on the investigation.

  • Arrest Imminent In Marathon Bombing: AP  Wednesday, 17 Apr 2013 | 1:42 PM ET

    The Associated Press is reporting according to a law enforcement official, an arrest is imminent in the marathon bombing, with CNBC's Scott Cohn.

  • FBI 'Zeroing In on Some People' in Boston Bomb Case  Wednesday, 17 Apr 2013 | 1:17 PM ET

    Scott Cohn and Sue Herera comment on an NBC News report that investigators have some 'solid leads' from videotape in the Boston Marathon bomb explosions. (2:46)

  • Intense Investigations Near Explosion Sites  Wednesday, 17 Apr 2013 | 1:02 PM ET

    CNBC's Scott Cohn reports the latest in Boston where 2 bombs exploded on Monday.

  • Hunt For Boston Bomb Suspects Wide Open: FBI  Wednesday, 17 Apr 2013 | 11:36 AM ET

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

  • Boston Braces for Economic Impact After Attack Wednesday, 17 Apr 2013 | 9:42 AM ET
    Flowers are placed near the bombing site in Boston.

    Massachusetts Gov. Deval Patrick said the state would be open for business, "but it will not be business as usual."

  • 'Soft Targets' Concern Security Experts  Wednesday, 17 Apr 2013 | 8:32 AM ET

    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.

  • Investment Tips Amid Market Uncertainty  Wednesday, 17 Apr 2013 | 8:05 AM ET

    Steve Bertoni, Forbes associate editor; and Rebecca Patterson, Bessemer Trust, share their investment strategies after gold's big dip; "squishy" earnings and possible downgrades in France and/or Germany.

  • Boston Bombs Believed Packed in Pressure Cookers  Wednesday, 17 Apr 2013 | 8:03 AM ET

    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  Wednesday, 17 Apr 2013 | 7:32 AM ET

    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.

  • Boston Bombs Possibly Delivered in Black Duffle Bags  Wednesday, 17 Apr 2013 | 6:04 AM ET

    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.

  • Is a Lone Group Responsible for Boston?  Wednesday, 17 Apr 2013 | 5:30 AM ET

    Alexia Ash, head of North America at IHS, says the anonymity and the method used suggest the Boston Bombings were the act of a lone group.

  • No One in Custody, No Motive Found  Tuesday, 16 Apr 2013 | 7:58 PM ET

    The very latest on the ground in Boston, with WVIT's Debra Bogstie.

  • Boston Bombings: Who is Responsible?  Tuesday, 16 Apr 2013 | 7:33 PM ET

    Discussing whether a domestic or foreign terrorist is responsible for the Boston Marathon bombings, with J. Michael Barrett, Diligent Innovations principal, and Heather Higgins, Independent Women's Forum.