Supreme Court JusticeRuth Bader Ginsburg after what she said. And christmas in july. Amazon prime day, and we asked our correspondent to find the best deals still up for grabs tonight. Good evening. And we begin tonight with those powerful words today from a president and from his predecessor. President obama and president bush, both men clearly moved as they paid their respects to the Police Officers killed in dallas. First ladies Michelle Obama and laura bush onhand, too. President obama applauding the officers bravery, and telling this country, we are not as divided as we seem. A haunting image of five seats in the front, holding only folded american flags. And then, the standing ovation for that police chief in dallas. Abcs Jonathan Karl is there tonight. Reporter two president s and two first ladies, joining a Dallas PoliceCommunity Mourning the hatefilled murder of five of their own. Dallas, im here to say, we must reject such despair. Im here to insist that we are not as divided as we seem. Reporter president obama praising the courage of the men in blue. When the bullets started flying, the men and women of the Dallas Police, they did not flinch. We mourn fewer people today because of your brave actions. Reporter sentiments echoed by another president , now a resident of dallas. We will not forget what they did for us. Your loss is unfair. We cannot explain it. We can stand beside you and share your grief. Reporter and a heartfelt standing ovation for Dallas Police chief david brown. The man who has held this community together. He offered some muchneeded laughter to go with the tears, joking that when he really loved a girl, hed recite some Stevie Wonder. So today, im going to pull out some Stevie Wonder for these families. So families, close your eyes and just imagine me back in 1974 with an afro and some bell bottoms and wide collar. Until the day that you are me, and i am you, now aint that loving you . Chief brown, im so glad i met michelle first, because she loves Stevie Wonder. Reporter much of obamas speech was a tribute to the bravery of Police Officers, but on the flight to dallas, he spoke to the families of Philando Castile and alton sterling, whose deaths at the hands of Police Officers have also shocked the nation. I see people who mourn for the five officers we lost, but also weep for the families of alton sterling and Philando Castile. In this audience, i see whats possible. I see whats possible when we recognize that we are one american family. And jon karl with us live tonight. The president saying his own words along the way have been inadequate in his words, to stop the violence . Reporter you could hear the frustration in his voice, david, as he said, hes spoken at simply too many of these memorials and seen the inadequacy of words to bring about change, including, david, the inadequacy of his own words. Jon karl with us from texas tonight. Jon, thank you. The president is on his way back to the white house this evening, and we should note that this thursday, he will be holding an Historic Town hall, we will be holding it with him, right here on abc. The president and the people, a National Conversation about race, about policing, about how we bridge the divide. Ill be moderating as the president takes questions from americans from all over this country. Many families directly affected by this. It begins at 8 00 p. M. Eastern on abc, on espn, on freeform and on abc radio, thats thursday night, right here. In the meantime tonight, to tense moments in the nations capitol late today. A lockdown on capitol hill after three suspects in a car opened fire on police during a car chase. This video shows the moment the suspects were taken into custody. Authorities say one of the three fired a machine gun at police during the pursuit. The suspect then dropped the automatic weapon in a tunnel before the chase came to an end. The chase triggering that la lockdown. No officers were injured. Now, to a developing headline tonight. The suurgent search for a seria shooter in the phoenix area. Seven deaths, eight shootings linked to the same suspect or suspects, and tonight, a new reward. The victims apparently chosen at random in front of homes. Heres abcs kayna whitworth. Reporter tonight, Phoenix Police on high alert. On the hunt for a serial killer or killers after recently linking four more incidents to a string of shootings. In all, seven people have been killed. The youngest victim, just 12 years old. The person that is doing this is wicked. Theres something wrong with them. Reporter the shootings started in march, first focused in west phoenix, but now, a total of eight. Police say spanning nearly 100 square miles, putting thousands of residents in danger. Police telling abc news, in each case, the shooter or shooters opened fire on a weekend night in front of a home where cars were parked. In these incidents, the motive is not apparent at all. Reporter police releasing this composite sketch today, hoping someone will come forward. The fbi has joined the investigation, while local police are stepping up patrols on nights and weekends, and a 30,000 reward is being offered. David . Kayna whitworth tonight. Kayna, thank you. There is new details this evening after the deadly courthouse shooting in michigan. We reported on it last night here. Investigators revealing how a handcuffed prisoner grabbed a deputys gun and went on a deadly rampage. He was cuffed with his hands in front of him when he fought the deputy, stealing husband weapon. He killed two bailiffs, he then tried to take hostages before being shot and killed by police. We turn now to severe storms moving across the country at this hour. At least four reported tornadoes already. Including an ef2, plowing across litchfield, minnesota. Up to 115mileperhour winds. That system now moving east, bringing more storms tonight, and abcs eva pilgrim is in the storm zone. Reporter tornado sirens blaring as minnesotans sat down for dinner. One was coming from this way and one was coming from that way. Here it is reporter mick lang had just gotten home and started recording. As this ef2 twister, up to 600 feet wide, tore through watkins. Winds up to 125 miles an hour. Ted fabers mother injured when her roof collapsed. Tonight, he says shes doing all right. This is by far the worst. I mean, where do you start, where do you begin. What do you keep . Second tornado on the ground right here. Reporter at least four reported tornadoes in all, one ripping apart this barn, sending debris skyward. The storms also bringing flash flooding to the state and neighboring wisconsin. Logs floating, and theyre all getting jammed up at the bridge. Reporter washing out roads, making for a dangerous commute. David, these stairs used to lead to a home. A tornado literally picked it up and tossed it onto its side. This family, one of more than a doznt tonight picking up the pieces. David . All right, eva pilgrim with us. Eva, thank you. Lets get right to rob marciano, tracking the Severe Weather for us tonight. Rob . Reporter david, we have a large area of storms across the southeast and a pretty strong line thats slicing through michigan and indiana. Overnight, could see some strong storms with heavy rain across iowa and illinois. Might see some flash flooding by 7 00. In the afternoon, we really expand the threat zone tomorrow. Chicago in there michigan and by july standards, a pretty strong low level jet will potentially bring us tornado in through iowa and missouri. Increasing the humidity, which the folks in the northeast will start to feel tomorrow, as well. David . Rob marciano, thank you. Now, to the race for president , and to Hillary Clintons longawaited endorsement. Bernie sanders now saying that Hillary Clinton must become our next president. And then, what was caught on her mile kro phone. Abcs cecilia vega in New Hampshire tonight. Reporter tonight, hes with her. I have come here to make it as clear as possible as to why i am endorsing Hillary Clinton and why she must become our next president. Reporter a ringing endorsement, even a hug. Her thank you picked up by the microphones. Thank you so much, bernie. It means the world to me. Reporter and with that, the curtain closed on a primary race that defied expectations. Bernie bernie reporter the virtually unknown senator from vermont igniting a political movement. Bernie sanders, friendly at first. And the fact is the American People are sick and tired of hearing about your damn emails. Thank you. Reporter Hillary Clinton mocked for seeming to change positions to win over his supporters. And im angry, too. Because the top 10 of the top 1 control 90 of the wealth in this country. And ive always said that. Reporter even now, shes still trying. And our country desperately needs your voices and involvement. And so does this campaign. And so does the democratic party. Reporter but donald trump today releasing this video, highlighting the past bad blood between the two democrats. I dont think you are qualified fl you have supported virtually every disastrous trade agreement. Reporter today, some sanders backers walking out on clinton in protest. Still feeling burned. Will you vote for Hillary Clinton now . I will. Reporter you will. Youre pausing . Is there anything Hillary Clinton can say that would win you over right now . Hillary cant win me over because i dont think i could ever trust her. Reporter so, how much do we expect to see Bernie Sanders out on the campaign trail . Well, there is no date set yet, but he said today, he plans to be in every corner of this country, david, to help Hillary Clinton get elected. All right, cecilia, thank you. And one more headline involving Hillary Clinton tonight. Lor let la lynch today was grilled on capitol hill, hammered for her decision not to charge clinton for using a private email server. Lynch deflected most questions, saying she followed the fbis recommendations. As for her impromptu meeting with bill clinton at the airport in phoenix, lynch insisted she was not influenced in my way, calling it a, quote, social conversation. Now, to donald trump tonight, demanding an apology this evening from supreme Court JusticeRuth Bader Ginsburg, after what she said about him. Abcs tom llamas on the trump campaign. Reporter tonight, donald trump in a supreme fight with Justice Ruth Bader ginsburg after she told the new york times, quote, i wont imagine what this place would be. I cant imagine what the country would be with donald trump as our president. She didnt stop there. Telling cnn, he is a faker. He has no consistency about him. He says whatever comes into his head at the moment. He really has an ego. How has he gotten away with not turning over his tax returns . Her comments, an unprecedented attack by a supreme Court Justice in the modern era on a president ial candidate. Trump calling it a disgrace. And highly inappropriate. Adding, i would hope she would get off the court as soon as possible. The graphle with ginsberg comes as trump prepares to announce his running mate. Tonight, hes in indiana with the states governor, mike pence, who is on the short list. Theyve disagreed in the past, but when i asked pence about it, he insisted he could still serve trump. Governor pence, when donald trump announced his temporary ban on muslims, you called it offensive. Do you still feel that way . You know, ive taken issue with our candidates from time to time, but im supporting donald trump. Reporter how do you share that ticket if you have a disagreement with him on the muslim ban . Look, i served in congress for 12 years. Ive been a governor for three and a half years. I havent agreed with everyone of my colleagues on every issue. But im supporting donald trump because we need change in this country. And tom llamas with us from indiana tonight. And donald trump is expected to announce his running mate, what, before the end of the week, before the convention . Reporter thats right, david. Sources tell us, hes likely to appear with his running mate on friday. Now, those on the short list like Newt Gingrich have been with trump. Gingrich describing the audition proce process, its a little bit like the apprentice. You find out sooner or later who the last one standing is. David . Tom llamas, thank you. We turn overseas this evening, and to the deadly headon collision on the tracks in italy. The pictures tonight. At least 20 people killed, Dozens Injured when two passenger trains slammed into each other in the southern part of the country. Rescuers rushing through an olive grove to help victims. Investigators trying to learn why the trains were on the same track. To consumer alert back here at home tonight for millions of families on the road. The headlights of 21 small suvs put to a safety test and none of them earning a good rating from the Insurance Institution for highway safety. Which conducted the test. Nearly twothirds receiving a poor grade, in fact. Car makers saying their vehicles do meet federal standards. We have the full list of those suvs on our website for you. There is still much more ahead on world news tonight this tuesday. Christmas in july. And tonight, we take you inside amazons answer to black friday. Amazon prime day, as its called. And the clock is still ticking tonight. So, we asked Rebecca Jarvis to join us with the deals you can still score this evening. Also, the new information coming in today about the popular Country Music star who had been searching for his son. And the pokemon go craze reaching new heights tonight. But there is some real pushback over where the game should be played. Some saying, you cant play it here, and we ask, why were people playing in these locations in the first place . Youll understand why. A dvt blood clot. Left ther what about my wife. What were building together. And could this happen again . I was given warfarin in the hospital, but wondered, was this the best treatment for me . I spoke to my doctor and she told me about eliquis. Eliquis treats dvt and pe blood clots and reduces the risk of them happening again. Not only does eliquis treat dvt and pe blood clots. But eliquis also had significantly less major bleeding than the standard treatment. Knowing eliquis had both. Turned around my thinking. Dont stop eliquis unless you doctor tells you to. Eliquis can cause serious, and in rare cases, fatal bleeding. Dont take eliquis if you have an artificial heart valve or abnormal bleeding. If you had a spinal injection while on eliquis call your doctor right away if you have tingling, numbness, or muscle weakness. While taking eliquis, you may bruise more easily. And it may take longer than usual for bleeding to stop. Seek immediate medical care for sudden signs of bleeding, like unusual bruising. Eliquis may increase your bleeding risk if you take certain medicines. Tell your doctor about all planned medical or dental procedures. Eliquis treats dvt pe blood clots. Plus had less major bleeding. Both made switching to eliquis right for me. Ask your doctor if its right for you. dog mmm, beneful healthy weand lowcalorie. Keeps me looking good. Hey, i get some looks, i hear the whistles. vo beneful healthy weight, a delicious, lowcalorie meal your dog will love. With wholesome rice, real chicken, and accents of vegetables and apples. Msame time tomorrow, fellas . New dr. Scholls stimulating step insoles. They massage key pressure points with each step, for all day comfort that keeps you feeling more energized. Dudes got skills. New dr. Scholls stimulating step insoles. Next tonight, to the economy, and the dow closing today at a record high, and thats good news for your 401 k s, but this evening, deals that you can have before you even retire. Abcs Rebecca Jarvis with the list of deals still up for grabs on amazon prime day. This amazon prime day reporter amazon turning a normally sleepy july day into a sales bonanza. 24 hours of deals available only to prime subscribers who pay 99 a year for membership or customers who sign up today for a free trial. The fire tablet, now just 33. The lowest price on record. Even 20 to 30 savings on home staples. One tip we uncovered today to getting exactly what you want, even if its sold out click here and amazon will add you to their waitlist and automatically email you if and when it becomes available. Amazons inaugural prime day last year blew past its own black friday records, selling 34. 4 million items or 398 products every second. Now joining the action . Walmart, target and best buy, all introducing their own black friday in july deals, like this 55 inch 4k tv, now 300 off at best buy. And to be sure you are getting the very best price available, dont forget price grabber and google shopping. They can help you crunch the numbers and david, of course, those sales continue into the night. They tell you where the price was before the deal. They do. Rebecca, thank you. When we come back here tonight, one of the most notorious cold cases in u. S. History tonight, closed tonight. So, is there an answer to this unsolved mystery. Also, the news coming in today, the popular country star and thor is. For his son. And the pokemon pushback tonight. The summer craze that is all over the place, but now, not welcome in at least two locations. And you might be outraged, as well. Im phil mickelson, pro golfer. My Psoriatic Arthritis caused joint pain. Just like my moderate to severe rheumatoid arthritis. And i was worried about joint damage. My doctor said joint