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.
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.
The Associated Press is reporting an arrest has been made in the Boston bombing, with CNBC's Scott Cohn.
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.
The Associated Press is reporting according to a law enforcement official, an arrest is imminent in the marathon bombing, with CNBC's Scott Cohn.
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)
CNBC's Scott Cohn reports the latest in Boston where 2 bombs exploded on Monday.
New details are emerging about the type of device used in Monday's bombing in Boston, reports CNBC's Scott Cohn.
Massachusetts Gov. Deval Patrick said the state would be open for business, "but it will not be business as usual."
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.
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.
CNBC's Scott Cohn reports the type of devices used in Monday's bombing in Boston are beginning to emerge.
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.
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.
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.
The very latest on the ground in Boston, with WVIT's Debra Bogstie.
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.
CNBC's Bertha Coombs reports on the latest on the Boston bombings.
Security consultants say the entire calculus of protecting a marathon has changed, reports CNBC's Scott Cohn; and Gen. Barry McCaffrey, ex-National Security Council member, weighs in. "[These bombs] were not sophisticated foreign-made intelligence provided devices," says McCaffrey.
Former Mayor of New York City Rudy Giuliani, who guided his city through the Sept. 11 attacks, said any speculation in the case of the Boston marathon attacks would be a mistake.