A surprise announcement from the fbi. Nightly news begins right now. Announcer from nbc news World Headquarters in new york, this is nbc nightly news with lester holt. Good evening. For a president who by his own acknowledgement has comforted far too many grieving communities, president obama faced an even more difficult changes today praising the courage of Law Enforcement while at the same time speaking frankly about racial bias and invoking the names of africanamerican mentimen killed by police. It was a delicate walk along the fault lines that the president believes are not as deep and wide as we may think. Reporter in a wide ranging speech, president obama seemed frustrated but hopeful. Im here to say that we are not as divided as we seem. I say that because i know america. I know how far we have come against impossible odds. This is not the first time hes comforted a city after a mass shooting. Joined by Vice President biden and former president george w. Bush, the five fallen officers represented by five chairs with folded flags. The vicious killer of these Police Officers, they wont be the last person who tries to make us turn on one another. We know there is evil in this world. Thats why we need police departments. Reporter the president balanced praise with Police Officer s. We cant simply dismiss it as a symptom of Political Correctness or amidst racism. Reporter also receiving mixed reactions online, the president s comments on guns during the speech. Its easier for a teenager to buy a glock than get his hands on a computer or even a book. Reporter former president bush addressed the memorial. Dallas police chief david brown quoted stevie wonder. Ive got to say, always, ill be loving you always. And theres no greater love than this. That these five men gave their lives for all of us. Reporter as he introduced the president. Im so glad i met michelle first because she loves stevie wonder. Reporter the service drawing officers from around the country, the president acknowledging their chang changeses. We ask too much of the police and too little of us. Reporter music spoke volumes. More of Downtown Dallas is slowly starting to reopen as investigators clear the huge crime scene. This exhausted police force is getting some help from neighboring departments as the funerals for the fallen begin tomorrow. And a newly surfaced audiotape from the death of motorist Philando Castile in minnesota and why he was pulled over by police in the first place. Did the officer have reason to suspect castile of a crime . Oh, my god, please dont tell me hes dead. Reporter in this video streamed live to facebook after Philando Castile was killed by police, his girlfriend said they were pulled over by a broken taillight. But a new audio of scanner traffic obtained by our affiliate care tv but not authenticated by nbc news. Im go to check ids. I have reason to pull it over. The two occupants look just like people that were involved in our robbery. It is not just this familys loss. Reporter the castile family attorney is tv judge glenda hatchet. What does that tell you . That tells me that ill see you in court. You pull somebody over because they have a wide set nose. I have a wide set nose. And how does it change from a busted taillight at one point to a wide set nose. Reporter these surveillance camera pictures show who the police were looking for. The officer confirmed the details in the audio recording but says his client shot castile because he had a gun, not because of race. Castiles girlfriend said they informed the officer of the gun and a license to carry. When the officer opened fire, her 4yearold was in the back seat. Castiles mother valerie now plans to file a civil lawsuit. My son abided by the law and he was kill bid the law. Reporter today president obama called to offer his condolences. Police will not comment on these audio recordings or any aspect of their investigation, but an attorney for the officer tells nbc news his client saw castiles gun before opening fire at this intersection. To president ial politics now and 36 days since Hillary Clinton became the democratic presumptive nominee for president , he finally gained the endorsement of her former rival Bernie Sanders. Clintons lead over donald trump has narrowed to three point s whether sanders supporters will board the cam pain. Reporter it was a forced political marriage, Bernie Sanders embrace of Hillary Clinton. I intend to do anything i can to make certain she will be the next president of the united states. Reporter happening more than a month after she clinched the nomination. I cant help but reflect how much more enjoyable this election is going to be now that were on the same side. Reporter at times clinton, a spectator at what seemed like a sanders rally. We have begun a Political Revolution to transform america. Reporter but gone are the bitter clashes over issues like wall street banks. I called them out on their mortgage behavior. Was that before or after you received huge sums of money by giving speaking engagements for them. Reporter a 15 minimum wage, Free Public College tuition. We have produced by far the most progressive platform in the history of democratic party. Reporter our polls showing 78 of sanders supporter will vote for her. But today we found mixed emotions. A little heart broken, but im going to recover. Reporter Younger Voters still not sure either. So youre not persuaded yet . Not yet. Reporter and theres the the u. S. Factor. The reason i gra gravitate towards bernie is that i knew he did not have as much political baggage that hillary has. Reporter tonight clinton still does not have sanders list of millions of small donors, he wont give that list to her yet. So she is raising money with a very different crowd, people paying up to 100,000 a couple to see her and the broadway hit hamilton. Hillary clintons emails remain in the news as attorney general Loretta Lynch testified before the Republican House judiciary committee, defending the justice departments decision not to prosecute clinton. She said career prosecutors accepted the recommendation of the fbi director on the matter. Meantime donald trump continues to stir up speculate about his president ial list. Appearing with another of the major contenders tonight, nbc news learns new details about the rollout. Reporter donald trump is spending the evening in the Hoosier State trying to lure Bernie Sanders supporters on twitter. Pence stumping with trump indiana tonight in the final scheduled vp tryout. How will you deal with disagreements you might have with donald trump. I havent agreed with my republican colleagues on every issue. Im supporting donald trump because we need change in this country. Reporter a former congressman, pence has friends in high places, including House Speaker paul rye yac ryan. What pence doesnt have is widespread support, accused of chr discrimination by liberals and turn coating by conservatives when he backed away from it. A president ial election is not like a gubernatorial race. If mike pence is the Vice President of donald trump. I want somebody where theres good chemistry, i want somebody with great experience. Reporter opinions range, after all eight years ago the candidate was praising Hillary Clinton on radio stations across america. I know her and she would make a good president or a good Vice President. Reporter Campaign Sources tell nbc news that donald trump will hold an event with his pick on friday. But already Newt Gingrich saying the announcement could come as early as tomorrow. In the superheated climate of president ial politicians, one place in which we dont normally expect to hear partisan remarks is within the u. S. Supreme court. But its happened. And recent comments by Ruth Bader Ginsburg. Pete williams explains. Reporter Ruth Bader Ginsburg has legal experts saying she went too far. Sayings, quote, i cant he something her husband martin who died in 12010 would have said, its time to move to new zealand. He is a faker, he says whatever comes into his head at the moment, how has he gotten away with not turning in his tax returns. Asked by the ap about a trump victory, he said, quote, i dont want to think about that possibility. Trump herself calls the remarks a disgrace. Saying i would hope she would get off the court as soon as possible. Reporter Supreme Court justices are appointed for life. But Justice Ginsburg is violating a rule that judges should stay out of politics. No matter how strongly she feels, part of a job of a judge is to keep her feelings to herself on these public issues and candidates for public office. Reporter one of her defenders asked tonight, doesnt everyone have an outspoken jewish grandmother . Justice ginsburg is on a planned trip overseas. Overseas, a terrible disaster on the tracks in southern italy. At least 23 people are dead, dozens more are injured after two trains collided head on. A devastating scene, italys Prime Minister says they are still working to determine what caused that crash. Still ahead tonight, are your headlights putting you at risk on the road, a troubling new warning and a dim view of some of the most popular cars in the country. Now this theres a more enjoyable way to get your fiber. Try phillips fiber good gummies plus energy support. Its a fiber supplement that helps support regularity, and includes b vitamins to help convert food to energy. Mmm, these are good nice work phillips. 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Ask your rheumatologist about humira. Humira. Whats your body of proof . Were back now with an illuminating new study from the Insurance Institute for Highway Safety. The group rated 21 small suvs to rate the efficiency of their headlights and not a single one ranked in the good category. Reporter the study from the Insurance Institute for Highway Safety sheds new light on what some say are a problem with headlights. 21 small suvs tested but not a single one earned a good rating bob boyd is kicking the tires and trying the headlights at the dealership today. I just assumed that they were all pretty equal. You dont want the doctor who has the minimum standards to operate on you when you have open heart surgery. Reporter the iihs looked at 47 different headlight combinations, the vehicles are some of the most popular on the road, but Research Shows even if the suvs have led, hid or curb adaptive headlights that doesnt guarantee good performance. In the test group, four suvs were deemed acceptable, including the ford escape. Five came in as marginal, but two ranked poor, the honda sufficient on the bottom of the list. The top ranking car and the lowest, a clear difference. Some manufacturers are concerned about the styling of the headlights and the branding of the vehicle than necessarily how much light is being put on the road. Reporter still for many, the test results highlight what some consumers may never see coming. Were back in a moment with a boy who before i had the shooting, burning of diabetic nerve pain, these feet learned the horn from my dad and played gigs from new york to miami. But i couldnt bear my diabetic nerve pain any longer. So i talked to my doctor and he prescribed lyrica. Lyrica may cause serious allergic reactions or suicidal thoughts or actions. Tell your doctor right away if you have these, new or worsening depression, or unusual changes in mood or behavior. Or swelling, trouble breathing, rash, hives, blisters, muscle pain with fever, tired feeling or blurry vision. Common side effects are dizziness, sleepiness, weight gain and swelling of hands, legs, and feet. Dont drink alcohol while taking lyrica. Dont drive or use machinery until you know how lyrica affects you. Those who have had a drug or alcohol problem may be more likely to misuse lyrica. Now i have less diabetic nerve pain. Ask your doctor about lyrica. I am proud of you, my man. Making simple, smart cash back choices. With quicksilver from capital one. Youre earning unlimited 1. 5 cash back on every purchase, everywhere. Like on that new laptop. Quicksilver keeps things simple, gary. And smart, like you and i like that. I guess i am pretty smart. Dont let that go to your head, gary. Whats in your wallet . Masame time tomorrow, fellas . New dr. Scholls stimulating step insoles. 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It told me everything i need to know about his heart and what he believes deep down. Priorities usa action is responsible for the content of this advertising. A 6yearold fisherman off the coast of cape cod got quite a shock when he realized the catch he was reeling in was a 10 to 12foot great white shark. It fought for about an hour and a half, and when it surfaced, the family shot photos of it. Were going to need a bigger boat, his dad quoted the famous movie. Pokemon go has been downloaded an estimated 7. 5 million times in just one week in the u. S. But its also raising a number of concerns about privacy and about where the game is leading players in the real world. Reporter its impossible to avoid it, pokemon go is everywhere. Kids are hitting the streets, obsessed with the free augmented rally game, businesses are luring in players to make an extra buck. Pokemon go using your gps and camera to place animated moc e ed monster into the real world. But pokemon is showing up in what people are say inside the holocaust museum, we do not consider playing pokemon go to be appropriate decor rum. Minnesota senator al franken today requests more information on the game on its privacy policy, especially for kids. He says the game may be unnecessarily collecting, using and sharing a wide range of users information without their appropriate consent. Privacy has become such an issue that the game maker issued an update to its user policy. Now if you register through your google account, youre no longer granting access to your g mail, photos or documents. Near portland, oregon two young men playing pokemon go found a gun laying in a field. Large pokemon gatherings are growing across the country. When we come back, why the feds are bailing on the man hunt in one of the bailing on the man hunt in one of the r lower back pain sufferers, the search for relief often leads. Here. Here. Or here. Today, theres a new option. 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