all friends of dzhokhar tsaranev. pete williams, with the details. >> reporter: the fbi says three days after the devastating bombing at the boston marathon, three college friends of the surviving bombing suspect, dzhokhar tsaranev, fearing he might have been one of the bombers, went to his college dormroom and found a black backpack containing empty fireworks tubes. they decided to throw it away. after searching the landfill, agents found the backpack, containing the empty fireworks tubes that alarmed tsaranev's friends. bomb technicians say they believe that the bombs were made using explosive powder from the fireworks. the three appeared briefly in federal court in boston to face charges of obstructing justice. the three became concerned the night the fbi released pictures of the bombing suspects. >> somebody out there knows these individuals as friends, neighbors, co-workers, or family members of the suspects. >> reporter: but investigators say instead of calling the fbi, with their suspicions, they did something

all friends of dzhokhar tsaranev.with the details. >> reporter: the fbi says three days after the devastating bombing at the boston marathon, three college friends of the surviving bombing suspect, dzhokhar tsaranev, fearing he might have been one of the bombers, went to his college dormroom and found a black backpack containing empty fireworks tubes. they decided to throw it away. after searching the

a law enforcement official tells me he fingered tamerlan tsaranev in the triple murders, described as drug-related. we have mug shots from two unrelated road rage cases in orlando and boston. now, he was shot at his home with a confrontation with fbi after he confessed to triple murders. sources say it was self-defense. a law enforcement says the man attacked the agent with a knife. an fbi team is in orlando reviewing what happened. anderson, that's standard operating procedure in any fbi shooting. >> so, do we have any idea what the motive was for these triple murders? it was drug related? >> my source tells me it involved a drug ripoff, tamerlan and his friend didn't want to risk getting caught. so, they killed him. >> is there any connection between the dead man in orlando and the boston bombing? >> if there is, anderson, the fbi hasn't found a link so far. agents first became interested in this man because my source tells me they came up with leads that tamerlan and his younger brother knew the chechen in orlando. now, the chechen, and he was granted political asylum here in 2008,

the fbi is looking for individuals who may have had contact with tsaranev's brother, before the april 15th attack. they're tracking the handgun the older brother used during the shoot-out with police. meanwhile, an official review has been launched by the director of national intelligence to ensure information was properly shared between the nation's top counterterrorism agencies, leading up to the bombing. president obama defended the law enforcement groups yesterday, saying the fbi and the department of homeland security, performed their responsibilities, in, quote, exampleliry position. >>> according to the fbi, investigators have found trace levels of ricin in martial arts studio owned by james everett dutschke. and on a dust map he threw away while under surveillance by the fbi. an affidavit shows that dutschke ordered castor beans, to make the poison, ricin. >>> back to the news conference at the white house, where domestic issues played a big role to push through priorities. president obama played down the suggestion that he's lost momentum, following the defeat of the gun bill

friends, who was arrested on wednesday, texted tsaranev, joking that he looked like one of the suspectshing, say something, they don't mean to the terrorist. >> yesterday, president obama said that the prison at guantanamo needs to be closed. that's what he said. yeah. yeah. yeah, to make sure it closes quickly, they're turning it into a blockbuster video. i am an american success story. i'm a teacher. i'm a firefighter. i'm a carpenter. i'm an accountant. a mechanical engineer. and i shop at walmart. truth is, over sixty percent of america shops at walmart every month. i find what i need, at a great price. and the money i save goes to important things. braces for my daughter. a little something for my son's college fund. when people look at me, i hope they see someone building a better life. vo: living better: that's the real walmart. >>> our "sunday spotlight" this week shines on whoopi goldberg. this time for what the oscar-winner has done behind the camera. she's a driving force behind a fascinating new documentary that brings a comedy pioneer back to life. some of you might remembe

should have known one of the suspects, older brother, tamerlan tsaranev, posed a security threat. tamerlan's body has still not been claimed. his widow, katherine russell, is asked that his remains be released to his family. investigators have spent hours interviewing the 24-year-old russell over the last week. a poll shows an overwhelming number of americans favor public surveillance. cameras provided key clues to the case. and after news that the suspects learned to make explosives over the internet. more than two-thirds say that kind of information should not be allowed online. >>> here's your first look at this morning's dish of scrambled politics. the race to fill john kerry's senate seat will pit ed markey, a four-year veteran, will face gabriel gomez, a former navy s.e.a.l. and harvard grad. >>> when chris christie tells you to cover his ears, you should heed his advice. >> let me use a word that is indelicate. and there's some children here. i see one. will there be more. cover your ears. [ bleep ]. okay. that's what it is. >> major policy shift for paul ryan. the 2012 gop

. >> reporter: investigators spent part of the day searching the apartment tamerlan tsaranev shared with his wife, katherine russell. looking for clues who they might have been in touch with before they allegedly bombed the boston marathon. this, as controversy looms over tamerlan's body. the funeral home has not found a cemetery that will accept the body. in fact, cemeteries across three states have refused to take it. just hours ago, tamerlan's uncle arrived at the funeral home to help prepare the body for burial, by first washing it according to islamic custom. >> a dead person needs to be buried. so, that's what tradition requires. that's what religion requires. that's what morals require. >> reporter: protesters gathered at the worcester funeral home, starting friday, demanding that the body be moved. >> we're taking care of him? it's not fair. >> reporter: the funeral director stands by the decision to help bury the body. >> a lot of times, they say, you're un-american. you're a traitor. you know what he's people are -- i'm getting sick and tired of them. they're all cowards. you w

investigations found radical islamic sites on the computer of tamerlan tsaranev's widow. they believe that he may have downloaded the material. and are interested in the phone call that russell made to her husband. the autopsy is scheduled for today, at the hes of his parents. >>> and seven soldiers were killed in afghanistan this address. the deadliest day this year. the first attack was in kandahar. five americans were hit in an armored vehicle. and in western afghanistan, an afghan soldier turned his gun on to american soldiers. >>> and the fertilizer plant in texas did not have much influence. the plant faced several lawsuits had $1 million in liability coverage. lawyers for some of those who are suing say they expect a company to ask a judge to divide that insurance money among plaintiffs. the blast caused tens of millions of dollars in damage. >>> and a sloppy track couldn't slow down orb at the 139th run of the kentucky derby. the colt blew past the other horses. the final stretch at churchhill downs. orb will go for the preakness in two weeks. 34 years since a tri

investigations found radical islamic material on the computer of katherine russell, tamerlan tsaranev's widow. they believe that he may have been the one who downloaded the material. and are interested in the phone call that russell made to her husband, after seeing his picture on tv as a suspect. meanwhile, an independent autopsy of tamerlan's body at the request of his parents, who insist he was framed by the u.s. government. >>> and seven soldiers were killed in afghanistan this saturday. the deadliest day this year. the first attack was in kandahar. five americans were hit in an armored vehicle. were hit by a roadside bomb. and in western afghanistan, an afghan soldier turned his gun on to american soldiers. >>> and the fertilizer plant that exploded in texas last month, did not have much insurance. the plant which faced several lawsuits had $1 million in liability coverage. lawyers for some of those who are suing say they expect a company to ask a judge to divide that insurance money among the plaintiffs. and then file for bankruptcy. the blast killed 14 people, injured more than 2