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Mississippi Man Charged With Using Biological Agent; Dzhokhar Tsarnaev No Longer Talking to the Police; Paying Tribute to Boston Victims; New Info on Bombing Suspect's Social Media Life; Police Reexamining Grisly Triple Murder in Boston; After Miranda, Boston Bombing Suspect Quiet

Aired April 27, 2013 - 17:00   ET

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

DON LEMON, CNN ANCHOR: Charged, a Mississippi man under arrest for sending ricin-laced letters to President Obama and others.

Discovered a possible piece to one of the plane that crashed into the World Trade Center.

Clues in the Boston bombings digging through a landfill looking for a laptop.

Meantime, we are learning more about the social media life of Dzhokhar Tsarnaev including CNN's discovery of a deleted account.

And mourning the victims today at the site of the bombing.

You are live in the CNN NEWSROOM everyone. I'm Don Lemon. Thank you so much for joining us. First, we're going to start with this this hour.

A man is in jail in Mississippi right now charged in connection with letters sent to President Obama and other officials that contained the deadly poison ricin. This is the man, James Everett Dutschke, the charged is possessing in the use of biological toxin. He's the second man from Tupelo arrested in the investigation charges against the first suspect were dropped.

We want to go to Tupelo now and CNN's Alina Machado, she is watching all of these developments right there. So, Alina, tell us who this guy is and why the FBI went looking for him?

ALINA MACHADO, CNN CORRESPONDENT: Yes, Don. We have been talking to neighbors here all day. We talked to one man who says that James Everett Dutschke has lived in this neighborhood for several years, they say he lived in this house behind me with his wife and his children and that he lived here and that he kept primarily to himself. Now, Dutschke's attorney tells us that he operated a martial arts studio in town. That studio was closed after Dutschke was charged with child molestation earlier this year.

Now, we don't know exactly why the FBI went looking for him. What we do know is that Dutschke's name came up in a hearing for the initial suspect of this case. That man is Paul Kevin Curtis. He told -- he said in that hearing on Monday that he had been framed and he mentioned Dutschke as a possible suspect. A day after that hearing, all the charges that have been filed against Curtis were dismissed. Curtis's name was cleared and he was released from jail. And then, something interesting happened.

Authorities seemed to focus their attention, turned their attention towards Dutschke. We know of several searches that took place here in Tupelo, one at the former location for that martial arts studio and also here at Dutschke's house. Now, one of the ricin letters was sent to Lee County Judge Sadie Holland. Her son Steve Holland is worth noting ran against Dutschke for a seat in the Mississippi house in 2007. We caught up with Steve earlier today and here's what he had to say about the arrest.

(BEGIN VIDEO CLIP)

STEVE HOLLAND, VICTIM'S SON: This could have been devastating. Very devastating. I mean, mom could have died. Had this taken the worst- case scenario and that would have been tragic, of course. Thank goodness she's fine. We just want to move on.

(END VIDEO CLIP)

MACHADO: Move on and also get justice for his mother. That's what Holland told us today, Don.

LEMON: So listen. Does the FBI think that Dutschke personally packed envelopes with ricin or played some other role, Alina?

MACHADO: Well, those are details we're hoping to learn throughout the course of this investigation as more of those details become public but what we do know and I think it's worth noting is the charges in this case are very telling. We know that Dutschke has been charged with developing, retaining and possessing and using a biological agent as a weapon. So that kind of gives us a sense of what authorities are thinking.

LEMON: All right. Alina Machado, thank you very much. I appreciate your reporting. Of course, this is not the first time poison of one kind or another has been sent through the mail as an attack. Remember shortly after 9/11, letters laced with anthrax were sent to addresses in Washington, New York and Florida. Five people died from exposure to the poison. Those letters were sent to a couple of U.S. senators and to a few national news outlets.

Well, the lead suspect in the case committed suicide. In 2003, police in England police busted a group of suspected terrorist who claimed they were making ricin. That was the case Colin Powell referred to as part of his justification for war in Iraq. And to show just how deadly the stuff is, a man nearly died after exposure to ricin in a Las Vegas motel room. The FBI arrested him later for making the stuff.

We're going to turn out to the Boston bombings investigation. Investigators spent another day at this landfill near the Dzhokhar Tsarnaev's dorm room where he was spotted just after the bombings. Earlier this week, CNN learned that there were scouring the receipts at the landfill, this time they were looking for his laptop.

Meantime, Tsarnaev is now in a federal prison camp after a week spent in the same hospital as many of the victims he is accused of wounding. He was moved about 40 miles west of Boston to a facility that holds detainees who need medical care.

A law enforcement officials say, Tsarnaev's condition is improving and he is now able to sit up and write. All this as his parents left their home in Dagestan for another part of Russia. His father Anzor Tsarnaev abandoning his plans to come to the U.S. saying, his trip is delayed indefinitely. Dzhokhar Tsarnaev now is in a prison hospital with apparent gunshot wounds to the head, to the neck, legs and hand. But as his condition improves he's become a lot less talkative.

Sources say he had a lot to say before authorities reading his Miranda rights on Monday including pinpointing his older brother Tamerlan as the masterminds behind the bombings.

Now he is shutting down and CNN's Susan Candiotti is at this prison facility in Davins (ph), Massachusetts where Dzhokhar is now being held. Susan, what are you hearing about his unwillingness now to talk to investigators?

SUSAN CANDIOTTI, CNN CORRESPONDENT: Well, here's what we're hearing, Don. We are hearing from and this is coming to us from a U.S. law enforcement official with knowledge of the investigation with whom I've been in touch with since the very beginning and is this. He has been talking, he had been talking quite a lot before he was read his rights. Before he was mirandized. So much so that according to our sources that they received a lot of very helpful information, a lot of information and tips and leads to work with.

Since he was read his rights, however, he hasn't said anything substantive. But according to this source, they do have a lot to work with, so by reading his rights after he was formally charged, it is not according to this official hindering their investigation -- Don.

LEMON: For this laptop, Susan, that is just wrapped up. What led authorities to believe his computer was dumped and do we know if they found anything on it?

CANDIOTTI: Well, according to my source, they were led there to the landfill to look to the laptop in part from the bedside interview with the suspect himself. And from other investigative leads from other people who I am told also had knowledge of this laptop and perhaps an effort it would appear to get rid of it. And that's why either in a dumpster, and following the dumpster to the landfill, they searched on Thursday.

They searched all day yesterday. However, now we understand that the search is over. What we don't know at this time is whether they were successful in finding that laptop but, boy, because they're not saying. But we know that they really would like to get their hands on it for obvious reasons. Imagine all the information it could tell them about this alleged plot. LEMON: That's the question. All right, now, so we don't know. So, we don't know if they found anything on it. They're not saying if they found it. Let's move on now and talk about what we're hearing about two friends of Dzhokhar there in some immigration hot water. What can you tell us about that, Susan?

CANDIOTTI: Well, these are two friends that we know and in previously reported were on initially questioned just hours before the suspect was found in that boat. And these are people who know of the suspect in this case, Dzhokhar Tsarnaev. They're Russian exchange student that go to the same school. In fact, according to our sources, they even purchased a cell phone together because they didn't have enough money to buy one and these two students leaned on the suspect in this case because he speaks perfect English.

However, they were picked up and questioned and charged now with violating their student visa because they weren't attending classes. However, authorities, sources tell us that authorities still want to talk to them as much as they can to get as much information as they can about what he may know about the suspect who is now in custody.

LEMON: Susan Candiotti has been following the story since the very beginning. Doing a great job. Thank you Susan. We appreciate that.

The wife of the deceased bombing suspect was spotted today. Here's Katherine Russell leaving her family's home hours ago in North Kingstown Rhode Island. That's about noon today. We don't know where she was headed and she returned home a short time ago. Russell Mary Tamerlan Tsarnaev in 2010, her attorney says Russell did not know anything about her husband's alleged bombing plans.

Meantime, a federal law enforcement official says there is evidence that leads investigators to believe that Tamerlan Tsarnaev may have been involved in drug dealing. The source would not elaborate, though.

For many in Boston, the focus is less on the investigation and more on trying to return to life before the bombs went off. Today they were consoling each other at memorials really near the site on the bombs' blast on Boylston Street.

We want to turn now to CNN's Carol Costello who is been there covering this all day. Carol, what's the mood like there today?

CAROL COSTELLO, CNN CORRESPONDENT: I think it's safe to say, Don, on this beautiful spring day, I think I feel love in the air and coming together and trying to live life as normal. All day long, hundreds, thousands of people -- this makeshift memorial leaving messages of love and of course Boston strong. One of those people is Shantel. And I see you have a sunflower there. And tell me why you came here and you wanted to leave this flower behind.

SHANTEL: I wanted to pay respect to all the victims and it's a wonderful city and we're not afraid to come about and come together as a community. And share. Our love. And support for everybody.

COSTELLO: I noticed you picked the sun flower which I think is a perfect choice. Why did you choose this flower?

SHANTEL: Yes. Yellow stands out among all the colors and I think it is beautiful.

COSTELLO: And it's happiness and hope.

SHANTEL: It is. We need hope. And we are all strong and we're a community that stands together.

COSTELLO: Do you feel more united than ever?

SHANTEL: I do. Especially after even the first day. I could feel -- and my community, everyone's standing strong and together. It is a great feeling.

COSTELLO: I'll let you get to it. Thank you so much. Thank you.

I want to talk to this young man, too. Brendan. And you came down here. You live not far away, right?

BRENDAN: Yes. I live Arlington.

COSTELLO: Not far from Boston. So, why did your family come down today?

BRENDAN: We came down here to look at the memorials and stuff and see all the great things.

COSTELLO: And what do you think you'll take away?

BRENDAN: Boston strong.

COSTELLO: I'm going to talk to your brother. Is this your brother Justin?

BRENDAN: Yes.

COSTELLO: Right? I can tell you have the same freckles. Why did you think your family came down today?

JUSTIN: Just, like, to be a part of Boston. And look at all the memorials.

COSTELLO: And you said before, this was impressive to you. Why do you think it's impressive?

JUSTIN: I'm just glad that everyone's like donated to the people who have died.

COSTELLO: And it's nice to see all those flowers and the well wishes and all the people, right?

JUSTIN: Yes. It's very nice.

COSTELLO: That's awesome. Thanks to all of you. Thank you so much.

UNIDENTIFIED WOMAN: Stay strong.

COSTELLO: Thank you so much. So, Boston strong, right?

UNIDENTIFIED WOMAN: We are strong.

COSTELLO: That's right.

UNIDENTIFIED WOMAN: Nothing to fear.

COSTELLO: Absolutely. It's easy to cry down here, Don. But it's also really easy to feel the hope and the love and the strength and community and that's really what you need to beat out the evil in the world. Right?

LEMON: That's right. As the President said, those bombs was picked the wrong city to mess with. Boston strong. Carol Costello. Thank you, Carol. We'll get back to you. Nice job today, as well.

You know, a lot of back and forth over the past week about when Dzhokhar Tsarnaev and his rights were read to him. We're learning more about some of that controversy. We'll go to Washington with that. That's next.

And a surprising find near ground zero, as part of the landing gear to a plane, maybe one of those that hit the World Trade Center on 9/11. We are live from the scene.

(COMMERCIAL BREAK)

LEMON: Well, with Dzhokhar Tsarnaev now refusing to cooperate, critics are speaking up about the timing Monday when Tsarnaev heard he had the right to remain silent. Several lawmakers say reading the suspect his Miranda rights may have kept important intelligence from investigators. Among the critics, republican Congressman Mike Rogers of Michigan and he's made a big move to voice his concerns.

Let's go down to CNN's Athena Jones live at the White House for us with the story. Athena, what are you hearing?

ATHENA JONES, CNN CORRESPONDENT: Hi, Don. Well, Congressman Mike Rogers is also the chairman of the House Intelligence Committee and he wants to know a lot more about how this suspect came to be read his rights on Monday at the hospital. He's written a letter to Attorney General Eric Holder listing a long list of questions he wants answers to, questions like who decided that this initial appearance should happen at this specific place and time and did anyone from the Department of Justice or the FBI raise concerns about the timing of reading the suspect those rights.

Now, the Department of Justice hasn't responded to the specific questions in Rogers' letter but they have said that the FBI agents and prosecutors were alerted ahead of time that this initial appearance was being scheduled and we heard a few minutes ago from CNN's Susan Candiotti that at least one law enforcement official has said that those bedside interviews early on with Tsarnaev was so thorough that they don't believe they were hindered. In the end, the investigation was hindered by the reading of those rights at that time but certainly that's not going to put an end to the conversation in Washington -- Don.

LEMON: Hmm, and the White House reaction?

JONES: Well, you know, we haven't heard much from the President in the last few days on these but we did see the Vice President speak about this case in general last night at a forum in Sedona, Arizona. And one of the things he talked about was this idea of if the suspects were self radicalized, if they weren't following the rules or directed by any one person to carry out this attack, those are exactly the kind of lone wolf suspects that are hardest to detect using the technological capabilities of the United States.

But that's an interesting point that he raised because one of the criticisms has been not so much about not using technical capabilities but not following the warning and the advisories from Russia not doing enough with the information that Russia would providing about the elder Tsarnaev, about his radicalization. So another thing that people will be discussing in Washington here -- Don.

LEMON: All right. Thank you very much. We appreciate your reporting. Athena Jones at the White House.

So, was it a mistake for federal investigators to have read Dzhokhar Tsarnaev his Miranda rights this Monday? I'm going to turn now to Lou Palumbo, he's the director of Elite Intelligence and Protection and the former police officer.

Lou, always good to see you. Always good to see you. But unfortunately, we're always talking about disturbing stories and it's just a reality of it. You know, critics say, if Tsarnaev had been treated as an enemy combatant, investigators would have had more time to question him without mirandizing him. Should that have been the way to go?

LOU PALUMBO, DIRECTOR, ELITE INTELLIGENCE AND PROTECTION: My opinion, Don is that issuing his Miranda warning was a proper course of action. You know, the important thing at this point is the integrity of this prosecution and I think there were concerned that by not issuing a Miranda warning, if down the road they weren't able to determine or establish the fact that he had some support from people that were enemy combatants and making him an enemy combatant, that there would become civil rights issues and, you know, a lot of legal wrangling that would take place.

They have a very good success rate in prosecuting individuals such as this gentleman in our criminal court systems. They charged him with a criminal complaint. The United States district court. The Massachusetts on the 21st and I think what they did was proper. I don't think they have any issue going forward and this one other thing, Don, that I think is important. You know, clearly there is a high value in speaking to this young man.

To try to -- some ties together about associates and support, foreign in particular. But there was so much forensics and so much other evidence involved in this case, whether they even spoke to him once I think was academic from the standpoint of getting a conviction.

LEMON: Yes. And just sources I have spoken to within the FBI said, you know, listen. In order to convict him, they don't need what happened at the marathon bombings. Everything that he's accused of doing after that is enough to convict him and to put him away forever, if not, you know, have his life taken away from him. So, I understand what you're saying. And just by reading his Miranda rights, it doesn't mean that he is being denied his rights. They're just not reminding him of them, right?

PALUMBO: That's correct.

LEMON: Right.

PALUMBO: You know, the interesting thing about the interview process, and there's a distinct difference between interviewing someone and interrogating them. In an interview, they can speak freely. You don't have to issue them a Miranda warning. Because at that point in an interview, you are not necessarily set on a course of charging them with a crime. The minute you feel that you're going to charge them, and the nature of an interview changed to an interrogation, you do have to issue them their Miranda warning if you're going to interrogate them. So, there's a lot of caveats to this.

LEMON: If you want to use this information at trial, if you want to use it for sure, because even if it wasn't mirandized, a judge may say, you know what? I'm going to let it in. So, you know, it's just that, if you want to use it, you have to mirandized them. I want to move on. You know, now that the older brother and the alleged mastermind was on three watch lists, three watch lists of terrorism databases, here are the TECs under -- or the TECs under customs at broader protection, the FBI terrorist screening center watch list in tights. It's a huge database of more than half a million names, it's run by the National Counterterrorism Center and yet no one know Tamerlan had returned to the U.S. from Russia in July of 2012. What do you make of that, Lou?

PALUMBO: It's very simple. We do not have a single database that all of our law enforcement agencies are tied in to. So we can share and comingle our information so that regardless of the impetus of information, whether be the FBI, the secret service or ATF or DEA, or customs and immigration, it should all go to one central location. And clearly, our ICE Immigration Customs Enforcement agents should have information from all these agencies anyone of concern. There's a little bit of a systemic failure issue going on here as well as the fact that at times certain federal agencies are a bit conservative and how they manage their information.

LEMON: Lou, I have a thought. You know we have this new high value interrogation agency now. Group. That interviews high value suspects after incidents like this. One, with the FBI and the CIA. Do you think we need a central group? One would think that would be the office of Homeland Security. A central group that is one database, that is one way that we go by for every single case?

PALUMBO: Yes, absolutely, Don. But you see, the problem here is information sharing. That seems to be the glitch in this whole process. For whatever reason, there seems to be reluctance or hesitation in dissemination of sensitive information.

LEMON: OK.

PALUMBO: I mean, we just experienced at New York City where the media is reporting that approximately 48 hours before New York City got the heads up, that these individuals were heading towards New York, there was some lack of communication over these two-day period. And that's part of this problem here.

LEMON: All right, Lou. We have to run. We'll talk to you soon. Thank you, Lou Palumbo. We appreciate it.

PALUMBO: Thank you, buddy.

LEMON: You know, a surprising find in the tights based between two buildings near ground zero. It's part of the landing gear to an airliner, maybe from one of the planes that hit the twin towers on 9/11. Live report is coming up.

(COMMERCIAL BREAK)

LEMON: Live pictures now. This is Copley Square in Boston on Boylston Street just near where that explosion was at the finish of the Boston marathon. I'll be anchoring from there live tomorrow. We'll continue to follow this story. But meantime, we have developments on other stories here in the United States.

Other big news today, nearly 12 years after the 9/11 terrorist attacks, police think they may have found part of one of the planes that hit the World Trade Center. Will be back on the scene first thing Monday. Authorities are guarding the site, family members of victims say they find it's opening up old wounds. Alina Cho reports now.

(BEGIN VIDEOTAPE)

ALINA CHO, CNN CORRESPONDENT (voice-over): The discovery of what authorities believe is the landing gear of one of the two planes that crashed in to the twin towers on 9/11 is remarkable. For one, the sheer size of the piece. Five feet by four feet by 17 inches. And then there's the location of it. In a narrow space just 18 inches wide wedged between two buildings. One of them the site of that controversial Islamic community center. The part was first discovered on Wednesday by surveyors who saw something suspicious and alerted authorities.

RAY KELLY, NEW YORK POLICE COMMISSIONER: They look at it. They're not certain what it is. We responded. As you get closer, on the part, you can see the serial number and you see the word "Boeing" before that serial number.

CHO: It is then that investigators realized what they have. But how did it get there? KELLY: It certainly is possible that it was wedged down there and went directly into that, into the alley. Depends on the angle it hit and also looking in the possibility that it was lowered by a rope.

CHO: Look closely at this photo. There is clearly rope tangle in the wreckage. But why would anyone deliberately put it here? If that is indeed what happened. Nobody knows. What is clear is that investigators will be back on Monday for about a week to look for toxic material and human remains.

UNIDENTIFIED MAN: It's heartbreaking. It should have been searched better.

CHO: Jim Riches is a retired deputy chief at the New York City Fire Department. His son Jimmy was also a firefighter who on 9/11 ran bravely in to the north tower to try to save lives. The 29-year-old never came out.

JIM RICHES, FATHER OF 9/11 VICTIM: I stayed down there from September 11th that day and dug on my heads and knees until we found him on his brother's birthday, March 25th, 2002. His three brothers carried his body by the ground zero. And we hope for the thousand other families who have never recovered anything, to at least be able to go to a cemetery and leave some flowers. We are talking about human remains, and body parts, pieces that should have been searched before. You turn the news on. Stabs you in the heart again.

LEMON: Alina Cho has more now from Lower Manhattan. Hi, Alina. It's near the World Trade Center site but it's not really that close. Explain to us how far it is.

(END VIDEOTAPE)

CHO: We're about, Don, and hello to you. We are about five blocks, actually, north of ground zero. But what is incredible about this site where we are right now is that on 9/11 the day itself another large piece of landing gear actually crashed through the roof at the very same location right down to the basement. And so, when you ask the question, how did this piece get here? It is entirely plausible that it did the same thing, that it fell out of the sky and wedged itself between these two buildings in the back alley on 9/11 and just wasn't discovered until now.

At least that is one operating theory. Another bright spot that we should mention, Don, we just got word actually in terms of rebuilding down at ground zero that the final two sections of a 408-foot spire will be placed on top of one World Trade Center on Monday and that will make that building the very tallest in the Western Hemisphere -- Don.

LEMON: Alina Cho, downtown. Alina, thank you. I appreciate your reporting.

Now learning more about the social media life of Dzhokhar Tsarnaev, including CNN's discovery of a deleted account, what it means for the investigation. That's ahead. (COMMERCIAL BREAK)

LEMON: Welcome back, everyone. An Instagram account linked to bombing suspect, Dzhokhar Tsarnaev, is gone. Apparently, the account was deleted before the Boston attack.

CNN Money Tech correspondent, Laurie Segall, did some incredible digging on this case, and you won't see these images anywhere else.

LAURIE SEGALL, CNN MONEY TECH CORRESPONDENT: A deleted account that sources say belonged to Dzhokhar Tsarnaev. Unlike the rest of the digital life, it's not gotten much attention. Close friends say Dzhokhar used the name Jmaister, but he was removed before the April 15th bombing. But a digital trail still shows images what he liked in the past.

Several include references to Chechnya, marked with dozens of hash tags. One shows a Chechen warlord that masterminded terrorist attacks against Russia but was killed in 2006. Several show Dzhokhar interacting with other users. An expert on Chechnya say they show an understanding of Chechnya and its struggle for independence from Russia. The close friends tell "CNN Money," from what they saw, he used Instagram for social purposes.

So how were we able to resurrect them? Here's how it works.

SAM ALTMAN, PROGRAMMER/TECH ENTREPRENEUR: So we are looking at a photo from Instagram on a site of Stratagram. And this is the copy as it exists on the web today. And we can see that these 19 users liked it, and we can see there's six comments on the photos. And here's the hash tags.

However, we can go back in time, thanks to the Google web cache. Here's detail from the same photo. And see the same six comments as today and a list of users that liked the photo, most of which are already on there. And there's been new ones, who liked it as well. But there's one that liked it in the April 10th version of the page, Jmaister1, that is now, you can see, on the current version.

SIEGEL: Law enforcement experts, like Juliette Kayyim, say that the deleted account is likely to get a close look from investigators.

JULIETTE KAYYIM, CNN NATIONAL SECURITY ANALYST: If I were an investigator right now, obviously, the platform he deleted matters the most. Were there clues embedded in the combination of images to tell us something Dzhokhar was thinking? Some of those pictures are very benign. Some of them, standing alone, don't mean anything.

SIEGEL: Digital footprints continue to get bigger as more and more people are willing to put their lives online.

(END VIDEOTAPE)

LEMON: Let's bring in CNN Money Tech Laurie Segall now in New York.

How come we haven't heard about this Instagram account before? We knew about the Twitter accounts. And he tweeted after the attack.

SIEGEL: Sure. That's the good question but he deleted the account before. And this account wasn't widely known about. We got on the phone and called a lot of his friends, a lot of them said, hey, I know Dzhokhar and I would know if he had an Instagram. But they didn't know. And we were able to confirm it from sources close to him. But it looks like a handful of people followed him and knew about this account, but it's definitely one you could imagine that law enforcement could be interested in, now that this is out there -- Don?

LEMON: All right. Laurie will be back with us next hour with more information.

Thank you, Laurie.

Investigators are taking a closer look at an unsolved triple murder in Massachusetts. The reason is compelling. One of the victims was close friends with one of the Boston bombing suspects.

(COMMERCIAL BREAK)

LEMON: Police in a Boston suburb are reexamining a grisly unsolved triple murder that happened on the tenth anniversary of the 9/11 attacks. One of the victims was close friends with Boston bombing suspect, Tamerlan Tsarnaev.

Deborah Feyerick reports now.

(BEGIN VIDEOTAPE)

DEBORAH FEYERICK, CNN CORRESPONDENT (voice-over): It happened on this quiet street in Massachusetts, three men nearly beheaded, their throats slit ear to ear.

GEOFFREY LANGSTON, NEIGHBOR: There was a girl running out of the house, saying there's blood everywhere.

FEYERICK: The brutality of the murders didn't add up, certainly not in this town.

(on camera): Something else did make sense. The victims, who were each killed in different rooms in the house, were covered in marijuana. Investigators describe it as a symbolic gesture. Robbery wasn't a motive because police found thousands of dollars of cash. The theory is that the victims knew their killers.

GERRY LEONE, FORMER MIDDLESEX DISTRICT ATTORNEY: We have no evidence of a break in the apartment. And we have other evidence that the deceased and assailants were known to each other.

We know there were at least two people who are not in the apartment now, who were there earlier.

FEYERICK: That's 19 months ago, but the trail went cold. No arrests. No named suspects. But the attack on the Boston Marathon revived interest in the case because one of the victims, 25-year-old Brendan Mess, was close friends with bomb suspect, Tamerlan Tsarnaev.

(on camera): Tsarnaev was a Golden Gloves boxer, whose buddy, Mess, was trained in mixed martial arts. Together, they would spend hours sparring here at the Y Crew Gym.

(voice-over): Coaches describe Tamerlan as confident, full of bravado, a man that hugged the coaches and competitors and who bragged about his young wife and newborn daughter after competing in the 2010 boxing nationals.

A source says Tsarnaev is one of the last people known to have seen Mess alive and that he was never interviewed by police in connection with the murders. More curious, says the source, Tsarnaev did not go to the friend's funeral or memorial service.

Based on text messages, police believe Brendan Mess, Raphael Tekin (ph), and Eric Weisman (ph were killed on or around September 11th, exactly 10 years after the attacks. Four months after the murders, Tamerlan left for Russia, staying there six months.

Investigators searched the Y Crew last week, removing boxes. The owner of the gym refused to speak to CNN.

Brendan's friends and family continued to push for answers, as have those of the other victims, Raphael Tekin (ph) and Eric Weisman (ph).

Brendan and Eric spent time at this diner and were friendly with the owner, who says his son competed in mixed martial arts with Dzhokhar Tsarnaev.

MUSHHOOR ABU RUIEN, BRENDON MESS' FRIEND: I new Tamerlan was involved in boxing, martial arts, and so was Brendan. He didn't speak too much about it when I was with him but he did speak to my father a lot, and we tried to get my younger brother involved in martial arts. So a strange link between them.

FEYERICK: Deborah Feyerick, CNN, Boston, Massachusetts.

(END VIDEOTAPE)

LEMON: All right, Deb.

Coming up, the surviving Boston bombing suspect isn't talking anymore. Why did the feds wait 16 hours before Mirandizing him? What was the legal justification for that?

And we're going to go live to Boston. This is Copley Square, Boylston Street, very near where the explosion happened at the finish of the Boston Marathon. Live reports coming up here on CNN.

(COMMERCIAL BREAK)

LEMON: A program note for you. Be sure to watch tonight, 9:00 eastern, for CNN's special coverage of the White House correspondents' dinner. Conan O'Brien is the headliner at 9:00. With so much serious news, it will be nice to get a few laughs in and hear from the president of the United States, as well.

(BEGIN VIDEOTAPE)

CHAD PREGRACKE, CNN HERO: 67,000 tires, 951 refrigerators, 233 stoves -- it's crazy what you find in the rivers.

I grew up right on the Mississippi River. Around the age of 17 I really started to focus on the problem. 18 million people get their daily drinking water from the river. I'm thinking, this should not be like this.

This stuff just collects here and it goes on for blocks like this. It's a bad deal.

I said, no one's going to do anything about it, I will.

I'm Chad Pregracke. With the help of over 7,000 volunteer, we have removed over seven million pounds of garbage from America's rivers.

Are you guys ready?

(SHOUTING)

PREGRACKE: Yes.

Primary focus is Mississippi River.

You guys will be amazed in two hours how much stuff we get.

We've worked on 22 rivers in 18 states. We do everything in the power to get people excited about it. Because, you know, the day, it's you're out there picking up garbage.

UNIDENTIFIED FEMALE: Did you find a basketball?

PREGRACKE: Cheers.

Totally yours.

Little by little we are getting it.

But you're having fun. We'll have fun.

UNIDENTIFIED FEMALE: I knew I would be sweating for sure but I didn't think I'd be singing karaoke on a boat.

(LAUGHTER)

(SHOUTING)

PREGRACKE: People want to see change and they're stepping up to make change.

That was the last bag. Come on! Let's give it up. Yeah!

(SHOUTING)

PREGRACKE: This is a problem that people created but a problem that people can fix.

(END VIDEOTAPE)

(COMMERCIAL BREAK)

LEMON: Boston Marathon bombing suspect, Dzhokhar Tsarnaev, was finally Mirandized last Monday. Federal agents had been questioning him off and on for 16 hours. Sources tell CNN he has not said much since being read his rights, including the right to remain silent.

We go to Holly Hughes. She joins us.

Holly, we've heard this before, we see it on all the cop shows, you have the right to remain silent, anything you say can and will be used against you in a court of law.

HOLLY HUGHES, CRIMINAL DEFENSE ATTORNEY & FORMER PROSECUTOR: Correct.

LEMON: So why did the feds wait so long before Mirandizing him? What's the legal strategy behind this?

HUGHES: There's a couple of different things at play. Number one, you have the public safety exception, which means the greater good is we need to find out if there's anyone else involved, if there's any more bombs out there still. So let's get to what we need to get to immediately.

There's a couple other reasons. If this suspect started voluntarily talking, sort of knew he was in the hot seat, said, hey, let me tell you what happened, wasn't my fault, was my brother got me into this, if he starts to voluntarily give up information, they don't have to stop him midstream and say, well, let me tell you about your rights. They can continue to gather that information without violating any of his rights.

LEMON: So the thing is, if they don't read him his rights, then there's the possibility that they will not be able to use what he says in court, but it is not that they won't be able to, it is just possibly.

HUGHES: That's exactly right. There are several factors that go into that. They're going to look at, was the statement, any information given, voluntarily, intelligently, and knowingly given. They're going to go into that.

But bear in mind, if the defense attorney never files a Motion to Suppress the confession, there's no challenge to it at all. Everything is wide open. So if there's a challenge, it is possible that a judge will say, well, it wasn't voluntarily, it wasn't knowing, has to be an interrogation, and there has to be aspect of coercion to be suppressed. LEMON: They're saying now, since he was Mirandized, he's not talking as much.

HUGHES: Right.

LEMON: I am guessing here, but I'm thinking that's part of his attorney strategy, don't talk, because we're going to need to use that in order to get the death penalty off the table. My client will cooperate with you --

HUGHES: Right.

LEMON: -- if you take that off the table.

HUGHES: And it may well be a bargaining chip. It absolutely can become, because this young man is facing federal charges that would carry the death penalty. So it may be that his lawyer advised him, don't say anything else, because they want to keep that card in their back pocket should something come up in the future.

LEMON: Is there a legal risk of declaring him enemy combatant and holding him indefinitely?

HUGHES: Well, absolutely. An enemy combatant, this is something the Bush administration used a lot. But then the Obama administration said we are backing off that classification and only going to classify you as enemy combatant if there's substantial assistance given to al Qaeda or the Taliban or one of those known groups. So if you can't prove substantial assistance, you can't justify classifying him as that.

What you do is, he has a right to challenge that at a hearing. Then a court will hear the evidence, and say there's no evidence whatsoever, so what you have done is delayed the process, delayed the judicial system from him being charged in the appropriate court and going forward and getting that info.

LEMON: It is always interesting to me when people, suspects in cases, even if found guilty, they will sue.

HUGHES: Right.

LEMON: Are we at risk of lawsuits here, especially the City of Boston, moving forward?

HUGHES: No. It is what we call an intervening act. There's no way that the Boston authorities and folks that put together the marathon could have foreseen that these two brothers -- and right now they're -- one of them is facing charges, but he hasn't been convicted -- these two suspects, there's no way they could have foreseen someone would commit a criminal act like that. There's nothing additional they could have done to protect the citizens there because they had no way of knowing that a criminal would come in and commit this act, injure these folks.

LEMON: Don't think I am nuts. I know you have to run. Do they ever try someone that's no longer with us? Do you know what I mean? Just for --

HUGHES: No.

LEMON: Do you understand what I'm --

(CROSSTALK)

HUGHES: No, I understand. You're saying, if somebody is deceased, is there any way to get justice from that person, and the bottom line is --

(CROSSTALK)

LEMON: Or to say they absolutely did it, they were guilty, and close the file.

HUGHES: No. You can't do it because they have a right to defend themselves.

LEMON: OK.

HUGHES: If they're not there, everybody under the Constitution has a right to cross examine their accuser.

(CROSSTALK)

LEMON: The reason I asked, if that happens, sometimes people take it to their grave. Sometimes people want to show this person absolutely did it.

HUGHES: Absolutely. It cannot be done with a deceased brother. Yes.

It is a legitimate inquiry. A lot of people say, why should he get the benefit, you know, but.

LEMON: Thank you.

HUGHES: You got it.

LEMON: We'll be right back.

(COMMERCIAL BREAK)

(BEGIN VIDEOTAPE)

CHRISTINE ROMANS, CNN BUSINESS CORRESPONDENT (voice-over): Two-thirds of students graduate with debt reaching new highs, averaging almost $27,000 in 2011. To keep your debt down, first decode the financial aid offer.

MARK KANTROWITZ, PUBLISHER, FINAID.ORG & FASTWEB.COM: It can sometimes be difficult to distinguish what's a grant and what's a loan. They may not even use the word "loan."

UNIDENTIFIED MALE: Here it is, out of pocket.

ROMANS: Ask questions, and remember, you're not just paying for one year.

NICO TYNES, HARLEM EDUCATION ACTIVITIES FUND: It's not about that first year of college. It is ensuring you are accepting a financial aid package that has renewable money.

KANTROWITZ: About half all colleges practice what's called front- loading of grants. That means your grants, as a freshman, are going to be a more generous mix than your grants as a sophomore, junior, or senior.

ROMANS: If you're disappointed, don't be afraid to ask for more money.

TYNES: There are other things can be done. An award letter is not the end-all, be-all.

ROMANS: But watch your tone.

KANTROWITZ: Colleges aren't car dealerships where bluff and bluster get you a better deal. Provide documentation they weren't aware of about your financial situation.

ROMANS: A job loss, major medical expenses, private K-12 tuition for sibling, caring for a special needs child or elderly parent, can get you more financial aid. So make your case, like Erika. She is asking more since her mom supports her grandfather in Ecuador. One school has already responded.

ERIKA PARDO, HIGH SCHOOL SENIOR: They went up in Pell Grant, which is free money. They went up about a thousand dollars.

ROMANS: Christine Romans, CNN, New York.

(END VIDEOTAPE)