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Chad Sweet, former Chief of Staff at the Dept. of Homeland Security, shares his thoughts on the latest investigation in the Boston bombings.
CNBC's Scott Cohn reports the latest details on the Boston bombing investigation. And James Woolsey, former CIA director, discusses the likelihood of a terror connection in the Tsarnaev brothers' attack and if there's a way to keep such things from happening again.
CNBC's Scott Cohn has the latest on the investigation into the Boston bombing, and takes a look at protecting the homeland, with CNBC's Michelle Caruso-Cabrera.
CNBC's Scott Cohn reports the latest detail on the investigation into the Boston bombing attacks. And, Col. Jack Jacobs, MSNBC military analyst, discusses ways to improve protecting the homeland.
Valentina Soria, security analyst at IHS Jane's and Richard Barrett, director at Qatar International Academy for Security Studies, discuss the Chechen link to the Boston Bombing and whether there's a case of intelligence failure.
James Forest, director of security studies at UMass Lowell, questions whether the Boston bombing was a case of "lone wolf terrorism".
Mark McClelland, head of North America at Maplecroft, says the Boston bombing is significant because it's the first successful Islamic attack in the U.S. since 9/11 and because of its Chechen link.
NBC's Pete Williams reports on the latest updates from federal investigations into Dzhokhar Tsarnaev, the second suspect in the Boston Marathon bombings.
Dzhokhar Tsarnaev, the second suspect in the Boston Marathon bombings has been caught alive in Watertown, Mass.
NBC's Kerry Sanders describes the scene outside the home in Watertown, MA where the second bombing suspect is believed to be found.
The very latest on police operations in a Watertown neighborhood, with NBC's Brian Williams.
There are conflicting reports whether the person on the boat is stationary or moving, with NBC's Brian Williams.
Police converge on a home in Watertown, MA.
NBC's Pete Williams reports the latest developments on the manhunt for the second bombing suspect.
NBC's Lester Holt describes the scene where police have converged in Watertown, MA.
NBC's Kerry Sanders describes the scene of the latest round of fire.
There are reports that gun shots have been fired in Watertown, MA.
Mitch Epner, former federal prosecutor, explains how the suspect would be apprehended and brought to trial. "This would be a death penalty-eligible case," he says.
An update on the search for the second bombing suspect, with CNBC's Bill Griffeth.
CNBC's Courtney Reagan has a statement from the dead bombing suspect's mother-in-law.