nbc's chris pollone is live in boston with details. i don't think people expected it to be this open. >> reporter: no they really didn't jessica a all right of court watchers knew that that was the hope coming in with 30 charges and a mountain of evidence against dzhokar tsarnaev obviously going to be very difficult to keep him from being convicted, but it is clear after day one that the defense team is less concerned with having him acquitted of all those charges and much more concerned with keeping him from being put to death. it was him, that statement, not from prosecutors but dzhokar tsarnaev's defense attorneys, in the defense's opening statement, judy clarke admitted her client's role in the april 2013 bombing that killed three people and injured more than 250 near the marathon's finish line. many analysts expected the defense to focus efforts on keeping tsarnaev being put to death if the jury were to convict him but not plainly admit his role in the bombings. clark asked jurors to keep a open bind implicating his older brother,

live in ferguson, missouri chris pollone. back to you. >> thanks chris. >> measure is mounting for the new director of the secret service. lawmakers demanding quick answers about why two agents were allowed to go home after crashing through a barricade in a bomb scare at the white house. >> tracie potts is live on capitol hill this morning with the latest on this investigation. >> it was all caught on video, and lawmakers want to see it. two senior secret service agents ran into a white house barricade during a bomb investigation last week. after what the washington post called a night of drinking nearby. >> does it really need to be said that you can't show up drunk at work? especially when you're in the secret service? >> the house oversight and government reform committee is asking director joe clancy for a briefing by wednesday. >> he better deal with it swiftly. it's totally unacceptable. >> he has talked about zero tolerance, and i expect him to react accordingly to the reports. >> there is absolutely no doubt that -- >>

chris pollone is live in ferguson with more on what is happening there. chris, good morning. >> reporter: good morning, aaron. the streets here in ferguson are quiet this morning. heavy rain that moved through around midnight last night put an end to the latest police protest that was here. police say that they have questioned several people and they have also collected evidence but so far no arrests in the shooting of those two police officers. now, as you mentioned, as they have done several times since the killing of michael brown, people took to the streets here in ferguson but this was a prayer vigil that they held. they prayed for the two police officers who were shot as they stood outside the ferguson police department early yesterday morning. one officer of course was shot in the face the other in the shoulder. both men have been released from the hospital and witnesses say that the 100 yards away. now there is a muntdanhunt trying to figure out who fired those shots. shortly after that prayer vigil some protester, a few dozen, did come out here to

chris pollone, nbc news, boston. >>> next -- local college students sharing horror stories of hazing.hey hope their emotional words will impact a new push for change. >> just ran and got my gun and then i told the guy to stop but he didn't hear me so that's when i returned fire at him. >> a man surprises a burglar after the suspect breaks into his home. >>> plus local parents struggling to afford care for their kids. one county's >>> now at 6:30 child care crisis. how one local county is trying to close the gap in available daycare spots without driving prices higher. >>> a former coach admitted to abusing a student. >>> disturbing images posted on face book allegedly by students. >>> tonight they're making security changes, locking windows, doors. one neighbor even considering buying a dog. >> this after a botched burglary led to a shooting in a fairfax county community. it's where we find northern virginia bureau reporter david culvert. david. >> reporter: i've been watching neighbors come up to mr. king's door here. some have just seen our 5:00 and they wanted to check on him in pe

chris pollone, nbc news. >>> news 4 at 5:00 starts now. jim wendy? >> well, right now at 5:00, the new allegations against a state department employee recently arrested for soliciting sex from a minor. >> key pieces of evidence just released in the trial of a man accused of killing his friend in a possible lo triangle. >>> and a big change at the d.c. prosecutor's off what it means for the investigation into d.c.'s former mayor. >>> but first a 16-year-old is attacked after a party at a boys and girls club. >> and this incident recorded by the attackers and sent to the victim, it's tough to watch. difficult to say the least. the police ho it will help them identify those involved. only on 4 tonight, the victim's mother is talking to our bureau chief, julie carey, in hopes that her words and the video might lead to arrests. julie? >> reporterll the victim's mom says seeing that video sent to her son's phone left her heart broken. the boys and girls club rents out the facility for private teen parties to give teens a safe place to have fun. but it was

chris pollone nbc news. >>> next a guilty verdict in a stunning cri of passion. hear the 911 call that turned the case of a murdered georgetown sntd. >>> and a mother's plea for help after her son's brutal beating caug on video. how the family is taking steps to move forwd. >>> new at 6:30, key evidence that led to a guilty verdict in a maryland murder trial. what jurors heard on 911 tapes that helped lead to a conviction. >>> training for tomorrow. how local college students are getting on t front lines of cybersecuri >>> annew rules for facebook. the changes affecting what you can and can't post online. >>> first at 6:30 the teenaged victim of a mob attack is making plans tonight to return to his high schootomro >> the teen anger was attacked at the boys and girls club in dale city. the scene was captured on video by some of the attackers and onlookers. only is talking with northern virginia buru jue carey hoping her words and the video might to arrest. >>> he's a 16-year-old whose love is playi basketball. now his mom thinks the fact he plays for freedom high

nbc's chris pollone reports. >> reporter: that's man whose curiosity helped police locate and capturedays after bombs exploded at the finish line of the boston marathon. today the government called david henebury to the stand. he told several hours after police got into a shoot-out with dzhokhar tsarnaev and his brother tamerlan, he looked out at his boat in his backyard. he noticed the shrink wrap cover was torn. he got a ladder and as he climbed up saw what he described as a lot of blood. he stepped inside the boat and saw a body. i could see his boots, he said his pants, hooded sweatshirt lying on his side, no movement at all. he called police and within moments the boat was surrounded. after police perped it with gunfire, more than 100 rounds tsarnaev surrendered. the jury saw a wooden slat with a message carved into it -- stop killing our innocent people and we will stop it said. later prosecutors also called one of tsarnaev's childhood friends to the stand. stefan silva revealed tsarnaev he gave tsarnaev the nine-millimeter handgun that was used to kill a police officer, carjack

. >> chris pollone talked with residents not just about what they saw but what they felt. >> reporter: the explosion called the facade of a second avenue apartment building to blow away sending blasts bricks and metal shoot across the street as people ran for their lives. as bystanders climbed fire escapes to evacuate the building fire spread through two buildings, then a third and fourth. >> the whole area was shaking. we just couldn't imagine what was going on. then when i saw the debris jumping out, i thought either way -- and i smelled gas too. >> reporter: moments later the first building collapsed. city officials say construction work on gas lines in a street-level sushi restaurant likely caused the blast. friday new york mayor bill de blasio got an up-close look at the rubble. >> there is a possibility the gas line was inappropriately accessed specially by people in the building. >> reporter: the blast left dozens of people homeless and 150 apartments nearby vkhave been evacuated until inspectors can assess they're safe. two people are still missing, a man who worked at the sus

chris pollone, nbc news boston. >> a slow go on area roads.s weather pushes into kentucky with the weather boundary. this will be ouring soiest rush hour from this system. let's go ahead and zoom right on in to the area and i can show you exactly where we're seeing some of the more moderate rains take place across the area right now. we go ahead and step out of the way for a moment and advance that system for you. from moderate rains to just some lingering showers by early tomorrow morning. if we can switch over the other weather system i want to show you, yes, the other thing we'll have to deal with early tomorrow morning and that folks, is the fog. the fog could be dense throughout the area. in fact i think that we'll see visibilities drop to around zero during the overnight period anytime from around midnight until 6:00 a.m. after that this is a look at 9:00 a.m., we'll see some areas with some improvements. dropping to zero the visibilities and we may see a fog advisory issue. but wet roads now. the other thing we've been talk about, rain

nbc's chris pollone has more from boston. >> reporter: after five weeks of jury selection, ten women and eight men are now hearing opening statements and evidence in the case of the united states versus dzhokhar tsarnaev. legal experts say tsarnaev's lawyers are likely to shift jurors' focus to his older brother tamerlan who died in the police shootout dies before the bombing. >> without a doubt, this whole trial is not about guilt or innocence. the whole trial is does he live or does he die? >> reporter: survivors of the bombing said they have been told to prepare for very graphic evidence pictures and video, which will make real for jurors the scope and extent of four tense days which gripped the region. >> putting all that into evidence as a prosecutor is going to take weeks and weeks and weeks and weeks. >> reporter: some victims will undoubtedly try to avoid trial coverage, survivor karen broussard said she plans to be in court to hear some of the testimony. >> i feel like i need to be there. and i know it is going to be difficult. i know there are going to be a lot of things th

chris pollone has the benefitmore on the benefit of daylight-saving time. >> reporter: for somethingt see, touch, or taste, we sure do worry about it a lot. >> three, two, engine starts. >> reporter: nothing would ever get into space without a lengthy countdown. and what fun would moving from one year to another be if we didn't have a ceremony that marked the exact moment it happens? turns out there might be some benefit to losing an hour of sleep, getting a little more daylight in your life could be good for you. >> we benefit from being near daylight and it's because it lowers our blood pressure puts us in a better mood gets our body producing serotonin and also melatonin, which allows us to sleep better at night. >> reporter: any symbol of spring, no matter how insignificant, will certainly be welcome in places like here in boston, where some of the biggest snowbanks might not melt completely until may or june. >> our bodies are designed to be in the outdoors is when we sit all day at a cubicle, that's not good for us. >> reporter: being on saving time, remember no "s" on saving i

chris pollone, what's the latest with the manhunt? >> reporter: the streets of ferguson are quiet this morning. the rain that has come in around midnight effectively ended that protest outside of the ferguson police department late last night. police say that they have interviewed some people and gathered some evidence. but at this point, no arrests for the shootings of those two police officers. as they've done many times since the december of michael brown in august, people took to the streets of ferguson missouri. but this was not a protest. instead, a prayer vigil. >> we're going to continue to heal. we're going to continue to educate our community at large. we're going to continue to heal and have those tough conversations. >> reporter: the group prayed for the two police officers who were shot as they stood outside the ferguson police department. one officer shot in the face, the other in the shoulder. both men have been released from the hospital. witnesses say the shots came from about 100 yards away. >> we're lucky by god's g

in boston chris pollone, nbc bay area news. >>> chris, thank you.ack here at home, one day down, another to go in a rare kidney transplant. as we mentioned yesterday, a complex 12 person kidney transplant chain is taking place at california pacific medical center in san francisco. essentially six people will donate good kidneys to six people in need. the two-day procedure began today and doctors say so far everything has gone smoothly. tomorrow the final three donors and recipients will undergo the same surgeries to complete the chain. >> the legalization of marijuana may be another of irritation this allergy season. researchers say with legalization comes more plants which can lead to more allergies allergies. they say can bus pollen causes simymptoms such as watery eyes and runny nose. a skin test can tell if you're allergic to pot unless a person is a regular user in that case there won't be much of a reaction. doctors recommend the person simply avoid the pot. >> jeff ranieri back with us us now. we are going to embrace this beautiful weather as