With the manhunt now over, officials are thinking about the next steps: interrogation and prosecution. And NPR's counterterrorism correspondent Dina Temple-Raston is here with the latest on that. Dina, thanks for coming in.
DINA TEMPLE-RASTON, BYLINE: You're welcome.
LYDEN: Dina, so the Department of Justice has announced that they aren't going to be reading Dzhokhar Tsarnaev his rights right away. Can you tell us more about that?
Big cheers in Watertown, Massachusetts, tonight and this tweet from the Boston Police Department, captured with three exclamation points, the hunt is over, the search is done, the terror is over, and justice has won, suspect in custody. We've been gathering a lot of information all day on the bombing suspects' backgrounds. NPR's Laura Sullivan reached three women who were roommates with a longtime girlfriend of the older brother, Tamerlan Tsarnaev.
Well, Robert McFadden is senior vice president of the Soufan Group. He's a 30-year veteran of U.S. federal law enforcement, and he spent many of those years in counterterrorism, and Mr. McFadden, a question I have for you is now that this very important suspect is in custody, what do you do? How do you question him? What do you do now?
Robert Siegel talks to Leon Aron, director of Russian studies at the American Enterprise Institute, about Chechnya. Many may not know the long and troubled history of terrorism in this region, and the disturbing link between Chechen rebels, al-Qaida and Osama bin Laden. According to information from multiple reports, the suspects are from Russia's North Caucasus region. They look at a Facebook-like social media site that the suspects posted on.
As we've reported, the hunt for Dzhokhar Tsarnaev and his brother led masses of police and SWAT teams to Watertown, the Boston suburb west of Cambridge. Last night's confrontation there was dramatic and frightening for many residents, including Kayla Depaulo(ph). Here's how she described what happened when we spoke earlier this afternoon.
We turn now to Robert McFadden, who is the senior vice president of The Soufan Group. He's a 30-year veteran of U.S. federal law enforcement, with a special focus on counterterrorism. Thanks for joining us in the program today. Walk us through what happens now. Let's say that the FBI is deluged with thousands of phone calls from people who think, rightly or wrongly, that they have seen one or both of these men before. What does the FBI do?
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And I'm Robert Siegel. A dramatic development today in Boston: The FBI announced that it is looking for two men they suspect of placing the bombs that killed three people at the Boston Marathon and injured more than 170. The FBI released both video and photos of the men at the site of the bombings. Here's Special Agent Richard DesLauriers.