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CNN BREAKING NEWS

From Fear to Cheer; The Capture; Tsarnaev's Friends; Mystery Motive; A Tense 24 Hours; Boston Bombing Suspect in Custody

Aired April 20, 2013 - 05:00   ET

THIS IS A RUSH TRANSCRIPT. THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED.


ANNOUNCER: This is CNN breaking news.

JOHN VAUSE, CNN ANCHOR: A final gun battle ends Boston's terrifying week. Suspected Boston marathon bomber, Dzhokhar Tsarnaev, finds himself surrounded by authorities in a suburban neighborhood and he eventually gives himself up.

ISHA SESAY, CNN ANCHOR: And so the week that began with a deadly terror attack at the Boston marathon concludes with cheers for local, state and federal authorities.

VAUSE: Hello, everyone at the CNN center in Atlanta.

SESAY: And I'm Isha Sesay. Welcome to CNN's continuing coverage of the capture of the final suspect in the Boston marathon bombing.

VAUSE: Friday night's dramatic event followed a massive manhunt in the Boston area. Police say after Thursday night's gun fight with authorities that resulted in the death of his older brother, Dzhokhar Tsarnaev was finally cornered late Friday afternoon hiding on a boat in the backyard of a Watertown home.

Take a look at this photograph. It comes from CBS News. And that is Dzhokhar on the side of the boat. He had bleeding. He eventually gave himself up.

CNN's Anderson Cooper got all the details from Boston's police commissioner, Edward Davis.

(BEGIN VIDEO CLIP)

COMMISSIONER EDWARD DAVIS, BOSTON POLICE: He was severely injured and most likely the shootout that occurred last night. There was (INAUDIBLE) an exchange of gunfire with police this afternoon.

ANDERSON COOPER, ANCHOR, AC 360: So he -- there was an exchange, a back and forth of gunfire this afternoon in the boat location, is that correct?

DAVIS: That's correct. That's what I have been told. Officers -- the Boston Police Department, the Massachusetts State Police and FBI agents surrounded the boat. There was an exchange of gunfire and eventually the (INAUDIBLE) came in. Used flash bangs and then was able to remove the suspect from the boat without any further injury.

(END VIDEO CLIP)

SESAY: Well, President Obama spoke to reporters shortly after Dzhokhar Tsarnaev was captured. He said an important chapter in this tragedy is closed. But he's asked to find out why these brothers alleged carried out their bombing plot and whether anyone else may have been involved.

(BEGIN VIDEO CLIP)

BARACK OBAMA, PRESIDENT OF THE UNITED STATES: One thing we do know is that whatever hateful agenda drove these men to such heinous acts will not and cannot prevail. Whatever they thought they could achieve they've already failed. They failed because the people of Boston refused to be intimidated. They failed because as Americans we refused to be terrorized.

They failed because we will not waiver from the character and the compassion and the values that define us as a country, nor will we break the bonds that hold us together as Americans. That American spirit includes staying true to the unity and diversity that makes us strong, like no other nation in the world.

(END VIDEO CLIP)

SESAY: Well, jubilant crowds greeted the SWAT team that helped in this successful manhunt.

The governor of Massachusetts added his thanks, but as the celebration expanded one Boston Police officer told the crowd, quote, "If you want to thank us, just go home."

VAUSE: Good advice.

That relief quickly spread across Boston after police announced they had their man. It had been a terrifying week for residents there, but as Poppy Harlow reports, that fear is now gone.

POPPY HARLOW, CNN CORRESPONDENT: It was really just moments after the news came that police had captured the second suspect in the Boston marathon bombing that the streets here in Boston literally erupted in jubilation, in cheers. We ran into a group of I'd say about 400 college students from Northeastern University that just filled the streets outside of their dorms.

They were sitting on the stoop, they were jumping in the streets, waving American flags, chanting things like, "USA, USA." And they were saying this is Boston, this is Boston. You could hear the joy in their voice, some of them told me how scared they've been all week. Some of them haven't had class all week because of how close their university is to the crime scene. They told me that now they feel like they're safe. They can go back to class. They can rest again.

And it wasn't just here in Boston. It is across this country. It is around the world. It is 30,000 feet up in the air. We heard a story of a flight that was ongoing while this news broke, and the pilots announced that the suspect number two had been captured and the entire plane erupted in applause. So it's really being felt everywhere.

But amidst all of this jubilation we have to remember this is a city that is still reeling from such a tragedy. At this hour you still have 58 people that are recovering from injuries from the attack in Boston area hospitals, three of them are in critical condition, two of them are children, and then, of course, you still have those four beautiful lives that were lost. The officer who is murdered last night, Sean Collier, the 8-year-old beautiful boy, Martin Richard, who died from the attack. You have the girl, Krystle Campbell, and of course the Chinese student studying here at Boston University, Lingzu Lu. Those four lives lost.

So something to keep in mind amidst smiles that I haven't seen here all week in Boston. The city is still suffering such a tragedy and has such a long way to go.

Back to you.

VAUSE: Our thanks to Poppy Harlow. The successful manhunt for Dzhokhar Tsarnaev ended in a backyard in Watertown. In the end the man who caused people in the Boston area to hide in their homes, he himself was hiding in a small boat.

Brian Todd joins us now with some exclusive details on the manhunt. We'll get to those details in a moment, Brian, but let me look forward to what's going to happen later today when the sun comes up in a couple of hours, the police move back in. Where does this investigation go where you are?

BRIAN TODD, CNN CORRESPONDENT: Well, John, we can tell you that the perimeter has been kind of tightening here. They've really released a lot of the streets, opened up the streets and the perimeter here takes us right here just to where the house is behind me. You can see the officers here. We can't go beyond this. They're going to be coming through this area, processing evidence in the next couple of hours going through that boat, of course, combing through that for evidence, dusting it, doing all sorts of things with that boat where he was holed up for what could have maybe even several hours.

That's going to be probably a key piece of evidence in the investigation. No doubt they're going to be questioning Dzhokhar Tsarnaev just about what he was doing in these last couple of days. You know, in the standoff and what led to the bombings. All of that. That's -- you know, this is just the beginning of that part of the investigation as far as their questioning of him. He will probably be hiring an attorney in the next couple of days, too.

So all of that is going to be playing out legally as they comb through this neighborhood for further evidence. They could also be looking for some -- for some additional weapons in this neighborhood. Remember while he was on the loose, they were very concerned. Authorities were very concerned that he might have explosives on his body. Well, you know, could there be explosives left somewhere in this neighborhood that were undetonated.

So that's going to be something that they're going to be looking at, too. They're just combing every inch of this neighborhood. Still processing it.

VAUSE: Yes. There's a lot to do yet in many, many days, even weeks to go. What was amazing, Brian, when I was watching our coverage, you got incredibly close to this standoff when it erupted into a shootout. So close you could see it and you heard the negotiators speaking with Dzhokhar. So walk us through some of the details and some of the things that you got to see.

TODD: Well, John, it was -- it was pretty incredible. I mean we were trying to just kind of get close to the scene. It was tough to do it even on foot. We couldn't get there on vehicle. We had to walk more than a mile after our vehicle was stopped and we just kind of snaked through some allies and back lots. My producer had kind of a map, a navigation in his -- in his smart phone and was kind of pointing us to where we might be able to go to get closer. And that's how we navigated. We got there and we again went through some allies and back lots away from where some of the authorities had blockaded the streets and got to a back alley where we just come around a corner and we can see the boat right there.

It's illuminated by some kind of a flood light that the police had put on it and was only the boat that was illuminated. The rest of the backyard really wasn't. And then we started to hear this -- you know, this loud speaker noise. Well, we got a little bit closer, started filming, of course, and we could hear them talking to him on a loud speaker saying, "Come out with your hands up, we know you're in there." We can hear one of them saying, "Come out on your own terms." They were clearly negotiating this.

And remember, John, this was after the gunfire. This was after the flash bangs that they had sent in there to try to disorient him. They had already engaged with this guy. He was wounded possibly from this exchange or possible from, you know, almost 24 hours earlier when he and his brother were in that exchange. We don't know. But it was a violent situation. And even after that, John, they were trying to negotiate, and of course that did end up being successful, they ended up capturing him alive.

VAUSE: Just to walk us back to the news conference which was held by the authorities there, by the governor, and by the police commissioner when they basically lifted the stay indoors order, they said, listen, you know, it looked as if they were saying he got away, and then suddenly, almost the moment they'd stopped speaking, gunfire erupted and this took a turn for -- which was dramatically different to what everybody had expected.

TODD: Dramatically is certainly the right word, John. And we were thinking the same thing. I mean, this news conference, they appeared almost despondent, as if, you know, gosh, we thought we had him, we still think we're going to get him but we don't have him. And you're right, it sounded as if they were saying he got away.

And we all left out we're thinking, well, you know, this isn't going anywhere for the moment, and literally minutes later, as if it was timed to coincide with the end of that news conference, our own Drew Griffin just about a mile from here, hears the gunshots, sees just a cavalcade of police vehicles whipping around, doing, you know, just frantic U-turns and speeding back into the neighborhood, and then you have the standoff and the dramatic ending. So it was surreal. I mean, you would think that they'd almost staged the news conference to throw us off the track, as if they were planning this. Of course they weren't. This was a dramatic development, but it was just very strange how it played out.

VAUSE: I mean, I got to be honest, I thought that the news conference was to try and led him into a false sense of security, get him to come out, I don't think that's how it played out. But that's certainly how it seemed at the time.

Brian, you've done some great reporting. You've had a really long day, we appreciate you staying with us. It's, what, 10 past 5:00 in the morning there. Thanks for the live report. Thanks for the reporting.

TODD: Many thanks, John. Thank you.

SESAY: Well, after word of Dzhokhar Tsarnaev's capture spread, hundreds of people visited a makeshift memorial along Boylston Street in Boston. You may remember that's where the finish line of Monday's Boston marathon was and where those bombs went off that killed three people.

And John, as we, you know, continue to show the pictures of the relief and we showed the memorial there, you know, again, that is a potent reminder of the victims and those that are still, you know, on the road to recovery from these bombings.

VAUSE: And so more than 50 people remaining in area hospitals.

SESAY: Absolutely.

VAUSE: Who are being treated. So many of them had injuries to their lower extremities. We know that the bombs actually targeted the spectators to cause the most amount of bloodshed, the most amount of harm that they could possibly do by way they were placed. We also want to find out what the family and friends of these two alleged bombers think of these two young men and we'll have more on that when we come back in just a moment.

SESAY: Stay with us.

(COMMERCIAL BREAK)

SESAY: Welcome back, everyone. You are watching CNN's continuing coverage of the capture of the second suspect in the Boston marathon bombings.

I am Isha Sesay.

VAUSE: And I'm John Vause at the CNN center.

The second suspect in Monday's Boston marathon terror attack is in custody after gunfire erupted Friday evening in the Boston suburb of Watertown where he had been on the run.

Dzhokhar Tsarnaev apparently put up a fight after finding himself surrounded by police in a Watertown neighborhood. Tsarnaev He had been hiding on a boat in the backyard of a home. This is a picture of him in an ambulance as he was taken away. He is now considered to be in a serious condition in a Boston hospital.

SESAY: Well, the picture that's emerging of the brothers is in sharp contrast to what they allege to have done. Friends of Dzhokhar Tsarnaev are in disbelief. Two of them told CNN's Jason Carroll that their friend just didn't seem like a killer.

(BEGIN VIDEO CLIP)

JASON CARROLL, CNN NATIONAL CORRESPONDENT: When you spoke to him in January, no indication at all that --

CHRIS ADAN, FRIEND OF DZHOKHAR TSARNAEV: No indication at all. None. None. It's actually quite the opposite. Like I said, he was a very genuine -- I'd say he's a genuine person. Well, he was a genuine person. But he's not.

UNIDENTIFIED MALE: Now, yes, he's a bad guy. You know, who knows what happened? Who knows his reasoning? But as of now he's a really bad guy, but the way I was trying to portray his image was of a good person. People that know him would not ever expect him to do something like and then the way they're portraying him as was just some dude --

CARROLL: So what -- so what you're saying is what he is being accused of is not the person that you knew?

UNIDENTIFIED MALE: Yes, basically. Pretty much.

(END VIDEO CLIP)

VAUSE: The parents of the suspect said neither of their sons ever talked about or showed any inclination towards terrorism.

(BEGIN VIDEO CLIP)

ZUBEIDAT TSARNAEV, SUSPECTS' MOTHER: My youngest one was raised -- actually like raised from 18 years. He was raised in America. And my oldest son, he is, like, really, really properly raised and in our house, never -- nobody ever talked about terrorism. And my son, Tamerlan, really got involved in the religion, you know, like -- religious politics five years ago, so he started following his own religious acts, and he never, he never told me that he would be like on the side of jihad.

He was controlled by a FBI like for five -- three, five years. They knew what my son was doing, they knew what actions and what the sites on the Internet he was going. How could this happen? How could they? They were controlling every step of him and they are telling today that this is a terrorist act. ANZOR TSARNAEV, SUSPECTS' FATHER (Through Translator): Someone framed them. I don't know who exactly did it, but someone did. And being cowards, they shot the boy dead. There are cops like this.

When you try calling the younger one, the phones are switched off? I can't even get through to my brothers. One of them is a great lawyers, and I can't get through to him. I want to get more information. Those are my kids, you understand? I am afraid for my other boy. Maybe he will be shot dead, too, they will say well, he had weapons.

Kids with weapons? You don't find weapons in a garbage dump. I have nothing more to say. It's all because I am afraid for my son and his life. They should arrest him, maybe, and bring him alive, alive, and justice should decide who is right and who is guilty.

UNIDENTIFIED REPORTER (Through Translator): You've been living there for a long time. Have you ever had any complaints about the justice there?

A. TSARNAEV (Through Translator): No, never. But I didn't have to face it. So how can I know about the justice system there. I didn't have any problems.

UNIDENTIFIED REPORTER (Through Translator): The day before you spoke to your elder son, what did he tell you?

A. TSARNAEV (Through Translator): He said everything was OK. I even asked him, how's Dzhokhar? Did you help him? Look after him and make sure he's studying well? That he would spend less time with friends and more time studying? You quit the university because you got married early, so let the kid at least graduate. Because in this life, a person who doesn't learn is working -- working hard. That's why I am always telling them, study, study, study.

UNIDENTIFIED REPORTER (Through Translator): Did you talk about the explosion and what happened there?

A. TSARNAEV (Through Translator): No. Not at all. Thank Allah that they were not there and didn't suffer. This is it. So what explosion? I honestly can't imagine who could do this. Whoever did this it is a bastard. I have nothing more to say.

(END VIDEO CLIP)

SESAY: Well, the parents of the suspected bombers expressing disbelief that their children could have been involved in this. And two of the suspected bombers' uncles live in the U.S. state of Maryland. One of them went on live TV Friday, visibly upset, pleading for his nephew who is still on the run at the point to give himself up. He said the men have brought shame on their family and the, quote, "entire Chechen ethnicity."

(BEGIN VIDEO CLIP)

RUSLAN TSARNI, BOMBING SUSPECTS' UNCLE: I want to speak on behalf of the entire Tsarnaev family. What happened and what we heard this morning about people associated or I will say my family, my family associated. I want to start and I will finish with that. First, the only purpose here is just to deliver our condolences and to share grief with the real victims here.

Those who were murdered. Those who have been injured. This boy, this Chinese girl, this young 29 years old girl, I don't remember. I have just been following this, I have been following it from day one, which never ever would imagine that somehow the children of my brother would be associated with that. So it is a tragedy. We're in a state of -- we're shocked. And again, I don't know. This family does not know how to share their grief with the real victims.

(END VIDEO CLIP)

SESAY: As we've been telling you the bombing suspects' families' roots go back to the Russian Republic of Dagestan. No stranger to terror attacks. And that's where Nick Paton Walsh has been searching for clues to a possible motive. He joins us now live from Dagestan's capital.

Nick, explain to our viewers exactly where you are right now and what you've been finding out about these suspects and their time there in Dagestan.

NICK PATON WALSH, CNN INTERNATIONAL CORRESPONDENT: I am standing out school number one here in Makhachkala, the capital of the Russian republic, Dagestan. And inside earlier we saw a register which made it quite clear that in September of 2001, from Kurdistan, the four Tsarnaev siblings came here, two brothers and two sisters, studying until March 25th, 2002, when it says they all left for America.

And that does tally with three of them more or less? But it does leave a gap in the timeline in the now deceased Boston bomber. Officials say his personal history because U.S. officials say he didn't show up in the United States until sometime in 2006. Now he could perhaps have gone on a short-term visa, have been somewhere else in the world instead. But there is certainly a hole there which I'm sure officials here and in the United States will be looking into to see if that period of time may have caused some kind of change and if indeed he was in Russia or a part of the world where extremism is common.

But one thing I should point out is that in 2001 to 2006, we're talking about in Tamerlan's life, if he was in Dagestan, he would have been surrounded by frankly a maelstrom of violence which began to spill over from the second war in Chechnya that ended in 2001. Seeing extremism taking roots in this very volatile and impoverished part of the world, attacks on policemen, and the ranks of separatist Chechen militants who were fighting the central Russian government, increasingly infiltrated by al Qaeda linked militant extremist radicals.

Something Russian Security Services have long talked about here, but it has been dismissed by some as a reason that perhaps (INAUDIBLE) not have to enter into political negotiations with them. So a very complex situation here. But had Tamerlan been here, he may well have seen some of that violence and extremism swirling around him and perhaps influenced by that -- Isha.

SESAY: And Nick, as you talk about this swirling violence and extremism, and as you talk to people there in the capital, have you detected or are you aware of a kind of anti-American strain there in Dagestan?

WALSH: Well, there are three elements to this. The disbelief certainly that the Tsarnaev brothers were somehow involved in the events in Boston. There's a strong Russian nationalism you see in many Russians -- part of the country we're at which often translates into anti-American, a sort of Cold War relic perhaps, but also a present day antipathy.

But the third element, too, of course, is exactly how violence is continuing here. We've seen those radicals, perhaps put on a back foot by continued Russian military campaigns, but there are still sporadic outbursts here, and what used to be a problem for Chechnya has become a problem for the entire region certainly. And I think in the back of people's minds here, when they expressed disbelief that the brothers were somehow involved in the heinous acts in Boston is perhaps the fear that there was maybe some sort of link of extremism and quite how damaging that could be now for a region really struggling to get back on its feet and into a peaceful time --Isha.

SESAY: And Nick, so many questions for the authorities, but among them, what exactly did Tamerlan Tsarnaev got up to when he visited his family there in the capital of Dagestan last year. And so many questions about that trip. What do we know if anything about his movements, where he went and who he met with?

WALSH: Well, certainly I think the most interesting thing about his personal timeline and the gaps in it, now we do know from speaking to a shopkeeper that in that January to July period of last year which he was said to have been in Russia by U.S. travel records for a month in the summer the shopkeeper who lives opposite his father's house says he was there helping his father out in the refurbishing of apartments including working around town to make money.

So a sign of him being there for totally harmless and benign reason could have caused there were some months where people will ask where was he, and this came after an interview by the FBI at the request of a foreign government when he was in the United States. There's so much to answer, really, about exactly how this man who everyone here (INAUDIBLE) was a golden student, a (INAUDIBLE) society in some way, became that bomber in Boston -- Isha.

SESAY: Nick Paton Walsh, joining us there from Dagestan's capital. Nick, always appreciated. Great reporting. Thank you.

VAUSE: Did they act alone? That is the question so many people are asking at this hour.

Peter Bergen, our security analyst, told Anderson Cooper he thinks it's very likely the brothers had help carrying out their plan. (BEGIN VIDEO CLIP)

PETER BERGEN, CNN SECURITY ANALYST: I think it's very interesting that they were able to detonate two bombs almost simultaneously. I think that's pretty hard. It suggests either practice in the United States or training elsewhere or perhaps both. We have had terrorists who have gone overseas, who've tried to detonate bombs in the United States, for instance, the Times Square bomber, Faisal Shahzad. He was trained and he wasn't -- you know, he drove his SUV into Times Square and detonated the bomb, it didn't work.

So even with training sometimes people don't get it right. And I think the idea that these people simply read a recipe on the Internet and built two very successful bombs doesn't -- it's very unlikely. So that's the first question.

The other question is the -- you know, the kind of question that President Obama raised in the briefing, which is, you know, how do they become radicalized in the United States. We've seen it with the case of Major Nidal Hasan in Fort Hood, Texas, he was self-radicalized with a major Internet complexion to that. Obviously what these guys were doing on the Internet, who they e-mailed with, what they were reading, what kinds of things they were downloading, will be very key to this question of motivation.

And finally, Anderson, you know, what was the older brother doing in Russia for six months last year. We've seen in the past, Najibullah Zazi, who is an American citizen, a naturalized, came to this country, you know, a trip to Pakistan was the point at which he became trained on how to use bombs which he was planning to blow up in Manhattan. So those I think are the three main questions.

(END VIDEO CLIP)

VAUSE: Our focus is now has been the developing story in Boston, but there is now breaking news that we are following here at CNN. Officials in China say the death toll from Saturday's earthquake has now topped 100. More than 3,000 people were injured when the 6.6 magnitude quake struck Sichuan Province. State media says 510 had been rushed to the region by the Red Cross.

We will continue to follow this story. We will bring you all the latest as we know more.

SESAY: It's approaching 5:30 in the morning here on the East Coast. You are watching CNN's continuing live coverage of the capture of the last suspect in the Boston bombing -- the Boston marathon bombings, I should say. And my words twisted there. It has been a very tense past 24 hours in the Boston area. We're going to take a very quick break and when we come back, we're going to run you through how the dramatic events as the day unfolded. Stay with CNN.

(COMMERCIAL BREAK)

ANNOUNCER: This is CNN breaking news.

VAUSE: And welcome back. You're watching CNN's continuing coverage of the capture of the second suspect in the Boston marathon bombings.

Hello, everyone. I'm John Vause.

SESAY: Hello, everyone. I'm Isha Sesay at CNN center. It's been quite a tragic and very tense week in the Boston area and especially so during the past 24 hours.

VAUSE: Erin Burnett has a look at how the dramatic events unfolded over the past day.

(BEGIN VIDEOTAPE)

RICHARD DESLAURIERS, FBI SPECIAL AGENT IN CHARGE: Today we are enlisting the public's help to identify the two suspects.

ERIN BURNETT, CNN ANCHOR (voice-over): Shortly after 5:00 p.m. yesterday, FBI special agent in charge Richard DesLauriers releases these images of the two men they believe are suspects behind the Boston marathon bombings.

(On camera): We have two new pictures that we want to show you.

(Voice-over): Just hours later a second photo circulated online of suspect number two walking away from the bombing. A little after 10:00 p.m., two men are spotted at a convenience store in Cambridge near the campus of the Massachusetts Institute of Technology.

UNIDENTIFIED MALE: We must have heard about 60 gunshots.

UNIDENTIFIED FEMALE: Chief Deveau is advising all Watertown eastern residents to remain in their home.

BURNETT: As we're on the air at 11:00 p.m. we learned a 26-year-old police officer from MIT has been shot and killed. Moments later Boston Police begin a high speed chase for two males after receiving reports of an armed carjacking. According to authorities, the carjacking suspects begin throwing explosives from the car as police chase them from Cambridge to Watertown.

UNIDENTIFIED REPORTER: There were dozens of police officers. Their guns drawn. We could hear them yelling.

BURNETT: At approximately 1:23 a.m., residents in Watertown are jolted awake as dozens of police exchange gunfire with the two suspects.

UNIDENTIFIED MALE: And it felt like, boom, boom, like three big bangs.

BURNETT: A fierce fire fight with explosions follows, leading to the death of one of the men later identified as suspect number one. Suspect number two escapes on foot.

By 3:45 in the morning, Massachusetts State Police warned Watertown residents to stay in their homes, lock their doors, as police begin searching door to door. A little after 5:00 a.m., as day breaks, the city of Boston begins moving into a lockdown, suspending mass transit and asking businesses to remain closed.

GOV. DEVAL PATRICK (D), MASSACHUSETTS: It is important that folks remain indoors, keep the doors locked and not open the door.

BURNETT: At 8:14 a.m. authorities identify the suspects as brothers. Twenty-six-year-old Tamerlan Tsarnaev and 19-year-old Dzhokhar Tsarnaev. At 11:55 a.m. the city of Boston is at a standstill as relatives of the two suspected bombers begin to speak out.

TSARNI: Turn yourself in and ask for forgiveness.

BURNETT: At 1:26 Boston Police tweet that 60 percent of the search is done. At 3:42, investigators find significant amounts of homemade explosives in Watertown.

PATRICK: We are asking the public to remain vigilant.

BURNETT: 6:00 p.m., the lockdown for the Boston area is lifted. Meaning people can again leave their homes even though a suspects remains at large.

DREW GRIFFIN, CNN SPECIAL INVESTIGATIONS UNIT CORRESPONDENT: Was that guns?

BURNETT: But less than an hour after the lockdown is lifted, shots are fired in Watertown, police scramble to the scene.

GRIFFIN: I just heard I -- what sounded like multiple assault rifle shots to me.

BURNETT: 8:15 p.m., a person believed to be Dzhokhar Tsarnaev is cornered on a boat in a yard in Watertown. Hundreds of law enforcement surround the suspected bomber and at 8:45 police in Watertown, Massachusetts, break out in tears, followed by crowd coming to the streets to celebrate.

(END VIDEOTAPE)

VAUSE: Here now is one of the brief glimpses that we got on Friday night of the suspected bomber. This photo was tweeted by CNN affiliate WMUR. It was taken by reporter Jean Mackin. It shows Dzhokhar Tsarnaev's face through the window of an ambulance as the wounded 19-year-old is taken away after Friday night's shoot-out in Watertown.

Pamela Brown is live at Boston's Beth Israel Medical Center. That is where the suspect or the bomber has been taken. That is where he is right now.

Pamela, when can we expect an update about his condition?

PAMELA BROWN, CNN CORRESPONDENT: Well, we're hoping for an update soon. We don't know of the exact time of a press conference authorities haven't released any information about that. Right now the hospital here is declining any interview requests and referring everyone to the FBI, the FBI is really taking all the questions. But we hope to learn more.

As of now we do know that the suspect is in serious condition. He experienced a substantial amount of blood loss, we're told, but we don't know the nature of his injuries.

VAUSE: What are the security situations there? Because we saw the ambulance arrive, it had I think an escort by something like 10 police motorcycles and other law enforcement officials seen to be there as well. What's the situation right now?

BROWN: Yes, there is a large security presence here last night. Not only at this hospital but at hospitals around the area there was security. We were at Mass General Hospital last night and there was a lot of security around. So right now, I don't know if you can see behind me here, but there are five security officers right outside the hospital here, at Beth Israel Deaconess. There are two inside the hospital and there may be more, we just don't know.

So these officers have been here throughout the night. They will likely continue to be here as long as the suspect is here being treated.

VAUSE: And to that, this guy would have to be the most wanted man in America right now. So how will the hospital deal with his presence? Because it sounds as if he is in serious condition. He's undergoing surgery. He's going to be there for a while. What arrangements has the hospital put in place to deal with this?

BROWN: Well, that's a really good question. You know, this is a man that authorities are calling a terrorist who was intent on killing people, so you can imagine the feelings of concern from patients in this hospital. In fact we know that some of the victims from Monday's bombing are actually here at the hospital. At last check there were 12 victims from that bombing being treated at the hospital.

So it's really caused some consternation and concern, but as we've pointed out, there are security officers here, there's a fairly large presence. And it appears that the hospital is taking every measure necessary to insure that patients and everyone here are safe.

VAUSE: Any indication, though, when he will be well enough, when he will be sufficiently recovered to speak with authorities? Because I imagine that there are FBI officials who really want to talk to him.

BROWN: Oh, absolutely. I mean, this is very serious. They want to be able to interview him. They want to make sure that he survived so that they can get the answers and find out what the motive is and all the information they need to piece everything together. So I can imagine that there is an intensive treatment going on right now, but we don't really have any more details about when he is going to be fully recovered or anything like that.

We probably won't know that until there is a press conference held. But as I mentioned, he last check, he's in serious condition. He possibly sustained a substantial amount of blood loss for almost 24 hours. There are indications that he was first injured yesterday morning in a shoot-out with police, and then there's the potential that he was injured again in another gun fight when authorities discovered him at the boat. So we do know that, but no indication about when he could be fully recovered.

VAUSE: It is a surreal situation that Dzhokhar is in that hospital along with the people he allegedly maimed.

Pamela Brown live for us at Beth Israel. We appreciate it. Thank you so much.

SESAY: And here John rightly say it, a surreal situation. And with that in mind members of the media and the public eagerly awaiting that press conference to be held by the FBI where we hope to get more information on Tsarnaev's condition. Because investigators are hoping to get more information out of him as he recovers. A short time ago my colleagues Brooke Baldwin and John Vause spoke to intelligence and security expert Lou Palumbo. They asked him what sort of information Tsarnaev might be holding.

(BEGIN VIDEO CLIP)

LOU PALUMBO, DIRECTOR, ELITE INTELLIGENCE AND PROTECTION: What we are trying to do is determine if these two young men had support either domestically or abroad. And there is significance to that because it allows us to anticipate any type of future activity that's similar to that which they carried out.

BROOKE BALDWIN, CNN ANCHOR: Lou, presumably this Dzhokhar Tsarnaev survives. He again is in this Boston hospital tonight being treated. And so many people are thankful that he is alive because he will be able to begin to answer many, many questions. Walk me through the process of how investigators will go about talking to him and then presumably also sifting through treasure trove of evidence that they got out of this Cambridge apartment earlier today.

PALUMBO: Well, the first thing we're going to have to do is allow him to recover to a condition where he can respond to them intelligently, number one, and then the next part of the process is just simply to try to derive information from him that will give us answers to questions we're seeking, like, did he have support anywhere in the metropolitan area of Boston?

Did he have knowledge of his brother's training overseas? Was there support? Was there aid or abetting in the Boston area? I mean, they are just going to run through a whole series of questions and they are going to try to give us a motive and the means in which they carried this out. And by means, I refer specifically to any type of support they may have received, because that is very, very significant going forward in an attempt to anticipate a repeat of this type of incident.

VAUSE: Lou, this is -- this has all ended relatively well and relatively quickly, but given the fact that the older brother, Tamerlan, was interviewed by the FBI back in 2011, do you think that something fell through the cracks here?

Dzhokhar I was afraid you were going to ask me that. I mean, you know, obviously, you know, I can't speak intelligently to -- as exactly what the FBI or our intelligence community did or didn't do in their interviews, but obviously I would say there was some legitimate cause for concern that was expressed to our government, and whether or not we managed it properly is going to come under the microscope now, because as you are aware, it's all over the media.

(END VIDEO CLIP)

VAUSE: Now the legal process begins and already there is controversy. A Justice Department official has told us that the government has invoked the so-called public safety exception in its questioning of Tsarnaev. That means authorities are not required to read the suspect what all right called his Miranda Rights, and the right to remain silent, that kind of stuff.

That spells out all the defendant's rights. Now including that right to remain silent and have an attorney present during questioning. But we should note that Alan Dershowitz, a very smart attorney here in the United States, says that exception may now be on shaky legal ground and could spell early trouble for prosecutors.

(BEGIN VIDEO CLIP)

ALAN DERSHOWITZ, CRIMINAL DEFENSE ATTORNEY: The first thing his lawyer is going to do is going to challenge federal jurisdiction. He's going to say this is an ordinary murder. Involves American citizen, certainly the killing of the police man and the shooting of the other police man doesn't seem to be part of any kind of terrorism, the federal terrorism statute generally applies to international terrorism, and we have no evidence at the moment of that it requires the intention be to coerce the government, and it has a whole series of things that make it into terrorism.

The lawyers will challenge whether this is federal because they rather have it be a state charge, no death penalty in Massachusetts. Yes, federal death penalty but there has to be federal jurisdiction.

PIERS MORGAN, HOST, PIERS MORGAN LIVE: If they win this argument and he is found guilty in Massachusetts under their state law, what will happen to him?

DERSHOWITZ: Life imprisonment.

MORGAN: In Massachusetts?

DERSHOWITZ: In Massachusetts. The other thing they could probably charge is conspiracy to murder. After all, we don't know precisely what this man did as distinguished from his brother.

(CROSSTALK)

MORGAN: And if he could -- the running theme today seems to be the older brother was a very domineering type who've become immersed in much more fundamentalist Islamic beliefs, and they have coerced the younger brother, who's 19 and seems to have had to trace of any of this stuff before, into going along with this. Is that any kind of defense?

DERSHOWITZ: It is to a federal crime. Because the federal crime requires that he individually intend to coerce the government, to compel the government, to intimidate the government. If his defense is, I just went along with my brother, my intent was to please my brother, that would raise the question of whether there really is federal jurisdiction. Now they could also charge him with a conspiracy. And in that way he has all of his brother's crimes attributable to him. But conspiracy doesn't carry the death penalty. It only carries life in prison.

MORGAN: Would you have been free to defend somebody in this position?

DERSHOWITZ: I've done enough defending of unpopular people. But I would like to --

MORGAN: From a legal point of view?

DERSHOWITZ: From a legal point of view, there are fascinating issues in this case. The government made a terrible mistake tonight by claiming this public safety exception to Miranda, when the police have said there is no public safety issue here. It's solved, it's over. There are no further threats but the FBI is still saying there are enough further threat that justify an exception to Miranda. They should have given him Miranda.

So there are a lot of interesting issues. His youth, the fact that he seems to be very much influenced by his brother, he could probably hold out and try to get some kind of a deal if he is prepared to say whether his brother got training in Chechnya. He doesn't have very many cards to play.

(CROSSTALK)

MORGAN: Senators McCain and Graham have said that they want the enemy combatant option for this kind of suspects.

DERSHOWITZ: Impossible. Impossible. There's no way that an American citizen committing a domestic crime in the city of Boston could ever be tried as an enemy combatants. Off the table. It shows absolute ignorant of the law. It couldn't happen.

MORGAN: In terms of this revelation, you've got these two brothers who have committed this appalling act, and the younger one in particular just seems to have been leading a very regular American life.

DERSHOWITZ: Yes.

MORGAN: Does that concern you as an American that there may be many more out there? And this could be a start of a whole new wave of terror?

DERSHOWITZ: It does. You know what else concerns me and you don't want to, in any way be critical of what law enforcement did, they did a phenomenal job, but the fact that one young man could close down an entire city, get ball games postponed, you can imagine some other young kids saying hey, I don't want to have that kind of influence as well. So there could be copycat aspects. People are easily influenced by previous experiences and older brothers and authority figures.

(END VIDEO CLIP)

VAUSE: You know that was a very good point that Alan Dershowitz made right at the end about the fact that it was just one guy who effectively closed down the city of a million or so people. It was an unprecedented security crackdown.

We'll take a short break here. It is 5:46 a.m. on the East Coast of the United States. When we come back, we'll take a look at this crackdown at the security operation which finally got the Boston bombing suspect.

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ANNOUNCER: This is CNN breaking news.

VAUSE: And welcome back. Forty-eight minutes past the hour. You're watching CNN's continuing coverage of the capture of the second suspect in the Boston marathon bombings.

I'm John Vause.

SESAY: And I'm Isha Sesay at CNN center. Let's get the latest after a very dramatic day here in the United States.

You hear the cheers for Boston's finest on Friday night. A standing ovation for local and federal authorities after they captured the second suspect in Monday's Boston marathon terror attack. But it did not happen peacefully. Gunfire erupted after the police had Dzhokhar Tsarnaev surrounded in a neighborhood in the Boston suburb of Watertown.

What followed was a tense standoff. It ended with the injured Tsarnaev transferred to a Boston hospital. Take a look at him in this photo through the window of the ambulance. Right now he is listed in serious condition.

The hunt for the Boston marathon bombing suspects took the greater Boston area under lockdown for most of Friday. Businesses and schools were closed and residents, well, they were told to stay at home.

As Tom Foreman explains, the dragnet involved millions of people and in the U.S. it was almost unprecedented.

(BEGIN VIDEOTAPE)

TOM FOREMAN, CNN CORRESPONDENT: Officials are going to study this for quite some time because police officers up there did something that's never been quite done before. They essentially established a capture net for the suspect and enlisted the help of the 4.5 million people. The population of the whole city to help them. Here is how they did it. Basically they figured out where they thought he would be, in one of these six towns here about 300,000 people living there, and they said to everyone, lock your doors, go inside, clear the streets so there's nobody moving, except this guy, if they could make it that way. Then they narrowed it down further. They focused on Watertown in particular. Again, they said keep your doors locked. They flooded the zone with police officers and they started cutting off all access in and out of this area.

How did they do that? Well, among other things, they asked 5500 taxi drivers around Boston, stay away. Don't go there. They shut down subways and buses. They asked businesses to close, and many did. Fenway Park cancelled the ball game. And other places as well. So the workers don't come in. We're not going to operate today.

They shut down schools, public schools, private schools, universities like Harvard, MIT, Tufts and Brandeis, all shut down. Beyond that they put pressure on the trains to not let people hop on and get out of town easily and even more security at the airport.

Look, you can see what's happening around Watertown here. They effectively put up a net, a capture net, and they started squeezing and the belief that this man was now caught in the middle of it all, and now let's put all this away and zoom in to where he was found because that was the real proof in this plan.

They said if we could just keep him there and keep asking people to look, somebody would spot him. And in that house with the red car behind it, that's exactly what happened. A man looked out into his backyard where he had his boat. And what did he see? He saw a smear of blood on the cover of that boat, looked inside according to authorities and saw someone hiding there, called the police, and that is how this extraordinary manhunt ended.

(END VIDEOTAPE)

VAUSE: And our thanks to Tom Foreman for that.

The Tsarnaev brothers are suspected of leaving a trail of death and misery in their wake. MIT police officer Sean Collier, the last to die, was shot and killed Thursday night. He was 26 years old.

Before that came the bombings at the finish line of the Boston marathon. In all 178 people were wounded by the bombs, 60 remain in area hospitals. Three people were killed, including 8-year-old Martin Richard. The Richard family released a statement on Friday thanking everyone who helped. It reads, "We also thank the citizens and businesses that shared images and footage with investigators in hopes of advancing the investigation. It worked and tonight our community is once again safe from these two men. None of this will bring our beloved Martin back or reverse the injuries these men have inflicted on our family and nearly 200 others."

SESAY: So very, very sad. What a week it's been and it's one of those weeks we'll likely never forget.

VAUSE: Yes. Innocent lives have been lost. Others have endured horrible injuries, they are scarred for life.

CNN's coverage of the aftermath of the Boston marathon bombing continues in the hours ahead.

I'm John Vause at the CNN center.

SESAY: And I am Isha Sesay. Thank you for joining us. John Berman and Christine Romans will continue our special coverage live from Boston in just a few minutes.

VAUSE: We will leave you with a look back at what has been dramatic and an emotional week.

(BEGIN VIDEO CLIP)

UNIDENTIFIED FEMALE: What's gone on in Boston, apparently there's been an explosion at the Boston marathon.

UNIDENTIFIED MALE: People are hurt. They stopped the Boston marathon.

UNIDENTIFIED MALE: When I made the turn, it was like the first pop, boom, and then another one, boom.

UNIDENTIFIED FEMALE: My immediate reaction was to seek cover.

JAKE TAPPER, CNN ANCHOR: And we have a report that the two are dead from these explosions and 23 now we are told, 23 are wounded.

UNIDENTIFIED MALE: A lot of people hurt, and we just ran as fast as we could down here to give blood. They were banged up bad. Severe lacerations. Amputees.

COMMISSIONER ED DAVIS, BOSTON POLICE DEPARTMENT: This cowardly act will not be taken in stride. We will turn every rock over to find the people who are responsible for this.

UNIDENTIFIED MALE: We're seeing a lot of shrapnel -- a lot of shrapnel injuries, many of those involved again predominantly the lower extremities.

VAUSE: This toll is still unfolding. Three people are dead, more than 140 are wounded. Many of them critically.

BARACK OBAMA, PRESIDENT OF THE UNITED STATES: Their prayers are with the Campbell family. Their daughter Krystle was always smiling. The Lu family in China. And our hearts are broken for 8-year-old Martin, with his big smile and bright eyes.

MAYOR TOM MENINO, BOSTON: Nothing can defeat the heart of the city. Nothing.

UNIDENTIFIED FEMALE: And the New York Yankees put their rivalry aside Tuesday night to pay their respects, posting this message on the Yankee Stadium marquee, "United We Stand," and claimed the Fenway Park favorite "Sweet Caroline" in the Bronx. RICHARD DESLAURIERS, FBI SPECIAL AGENT IN CHARGE: Today we are enlisting the public's help to identify the two suspects. After a very detailed analysis of photo, video and other evidence, we are releasing photos of these two suspects.

UNIDENTIFIED FEMALE: All right. We are getting new details on breaking news from the Boston area, that shooting of the Massachusetts Institute of Technology.

UNIDENTIFIED MALE: A police officer was shot. He was taken to the hospital and later died. But Rosemary, this is becoming a much, much bigger story.

WOLF BLITZER, CNN ANCHOR: Police say the suspect shot and killed an MIT police officer, 26-year-old Sean Collier. They then carjacked a man at gunpoint. Police chased down the suspects in the stolen car.

COLONEL TIMOTHY P. ALBEN, SUPERINTENDENT, MASSACHUSETTS STATE POLICE: During the course of the pursuit, several discharges from the car at the police officers. In the exchange of the gunfire we believe that one of the suspects was struck and ultimately taken into custody. A second suspect was able to flee from that car, and there is an active search going on at this point and time.

TAPPER: At day breaks, all of Boston is shut down. Mass transit at a standstill. The city's universities and public schools closed.

GOV. DEVAL PATRICK (D), MASSACHUSETTS: Continue to be alert to suspicious activity. Remember there is still a very, very dangerous individual at large.

(END VIDEO CLIP)

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