Business than you might think. Nightly news begins right now. Announcer from nbc news World Headquarters in new york, this is nbc nightly news with lester holt. Good evening, everyone. Im Savannah Guthrie in tonight for lester. We begin with donald trump in fiery form today, under pressure to reveal where the millions he claimed to raise for veterans several months ago had actually gone. Tonight we follow the money, where the donations ended up, how recently some of those donations were made and what had trump blasting away at his favorite target today, the media. Nbcs talie jackson is outside trump towers with the latest. Hallie, good evening to you. Reporter good evening, savannah. We are learning late tonight donald trump may have a new conservative challength mystery candidate, raising more questions about where the money really went. Trump bristling now in the hot seat, and getting heated. For 39 minutes, a fiery roast. Youre a sleaze. Ive watched you on television. Youre a real beauty. Reporter at a combative news conference. I find the Political Press to be unbelievably dishonest. Reporter donald trump angry for claims he raised 6 million four months ago. Who got that money, when did they get it and why did it take so long to get it to them . I have raised a tremendous amount of money for the vets. Instead of being like thank you very much, mr. Trump, or trump did a good job, everyone says, who got it, who got it, and you make me look very bad. Reporter trump today listing the donations totaling 5. 6 million to 41 different charities, including 1 million of his own money. Nbc news now confirms nearly a third of the total, 1. 9 million, has only bn week after growing pressure on trump about the status of those donations. I wanted to keep it private because i dont think its anybodys business if i want to send money to the vets. Reporter that came from a very public rally held during a debate trump refused to attend. At the time, trump slamming his fellow republicans, doing so again today, even after promising a path toward party unity. Bill crystal is a lizard. Reporter insulting bill crystal. Amd former gop nominee mitt romney. If i have a republican thats not on my side, im not going to why should i be particularly nice to that person . Reporter new mexico governor suzannea martinez. He said this is how he would be at the white house, with one in ten voters giving him the high marks to be commander in chief. Do you need a thicker skin to run for this office . I think that its bothersome because i love the vets. I think when the press portrays it differently, the press is being very dishonest. Reporter a preview of a president trump. Hallie jackson, nbc news, new york. Reporter this is andrea mitchell, as Bernie Sanders fires up a california crowd, Hillary Clintons campaign is sensing danger there. Some polls showing a tightening race. Clinton is now shifting her campaign out west for most of the week. And tonight phoning in to msnbc. Are you nervous about california . Well, im feeling very positive about my campaign in california. Reporter but while clinton spent memorial day at her neighborhood parade in chappaqua, sanders has been camped out in the golden state. The little words of some of the scientists may think theres an earthquake going on here. Reporter last night at the warriors game comparing his campaign to the teams comeback. Clinton got some backup today, support from popular governor jerry brown. Less than a ringing endorsement. Brown said he will but he also said he was deeply impressed with Bernie Sanders. Brown ran against bill clinton in 1992. Accusing Hillary Clintons law practice of conflict of interest with her husband, then the arkansas governor. You ought to be ashamed of yourself for jumping on my wife. Youre not worth being on the same platform i tell you what, mr. Clinton, dont try to escape it. Reporter why does california matter . For sanders, it would mean more leverage heading into the convention. For clinton she would like to win it, and win it big. Doesnt want to limp to the nomination. Wants to begin to put the party together. Winning it would be very important. Clinton will use her time in california to campaign against donald trump, not sanders. Counting on drumming up fear of a trump victory, to eventually win the sanders people over to her. Savannah . Andrea mitchell in washington, thank you. Now to the growing outrage over the gorilla killed when a boy fell through the there is late word tonight that police are now looking into the actions of the boys parents but not the operation of the zoo itself. As nbcs Miguel Almaguer reports, new questions about zoo safety nationwide. Reporter tonight Cincinnati Police confirm, they are reviewing the actions of the parents that led to this. The 3yearold boy fell into the gorilla enclosure saturday. His mother watching as the 420pound silverback dragged the child through the water. Zoo Officials Say they had no choice, firing a fatal shot at 17yearold haramba, fearing he would kill the boy who is now doing well. Today Animal Rights activists filed a federal complaint against the cincinnati zoo. We believe this enclosure must violate either the requirements for a physical barrier around the enclosure or for a perimeter fence if there was an adequate physical barrier, we wouldnt be here. Reporter this isnt the first incident at the zoo. In march, two polar bears breached security, forcing visitors to shelter in place when the animals wandered into a Service Hallway behind their enclosure. Keepers and people were not in any danger. Reporter in 2008 a gibbbon also escaped his enclosure, biting a man on his leg in the same zoo. In 2000, a cheetah also broke free. No comment today from officials in cincinnati. The group born free usa says since 1990, there have been more than 100 incidents of animals injuring humans, including at least 15 deaths at accredited zoos. Our fence right here reporter in miami, zookeepers stress enclosure guidelines are in place to keep everyone safe. All zoos are going to be reevaluating their barriers right now. Reporter back in cincinnati, tonight the investigation is under way, with the exhibit set to reopen saturday. Miguel almaguer, nbc news. Deep in the heart of texas, the water is unrelenting rain has led to historic flooding there. Neighborhoods swamped, residents on the run, and tonight the waterweary region is bracing for yet again another onslaught. Nbcs Gabe Gutierrez now with more from south texas. Reporter this part of the brazos river has never creeped this high, cresting this afternoon, flooding homes, displacing families, horses crowding on a porch on a dry patch of land, the devastation stretching for miles. My family told me to get out. The water was about this much from entering the house. Reporter on the ground, search and rescue teams on the move. More mandatory evacuations under way. The water just kept rising. It got to at least six inches inside the house. Reporter maria pulled from her flooded home as the waters rose. Did you lose your home . Everything. Everything. Reporter today the weather related death toll in texas climbed to nine. Body of a 10yearold boy who drowned. Several attention as rivers cresting at historic levels. The brazos topping 53 feet, breaking a record. The colorado more than 46. The Trinity River at almost 30 feet. And expected to stay there through sunday. We never expected anything like this. Reporter Yolanda Gonzalez has lived in rosenberg almost 30 years. Very hard. We got more rain coming our way. Reporter the worst is going to start to come late this week, on into the early part of the weekend. Were talking about anywhere from 7 to 8 inches of rain in parts of central texas. We cant rule out upwards of 10 inches causing massive flooding. Reporter in a state not long ago ravaged by drought. Tonight the water has nowhere to go. Live pictures overhead. A neighborhood in rosenberg that is underwater. The mayor has declared a state of disaster in this city, and has just expanded the mandatory evacuation zone. Many roads are impassable and blocked and local officials are calling this flooding unprecedented and are dreading the thought of more rain in the forecast. Savannah . Gabe gutierrez, thank you. A shocking road rage incident out of florida. It was caught on tape. A driver facing charges tonight in tampa accused of running right over a motorcycle with two riders. Nbcs Kerry Sanders has the jawdropping video taken as it all unfolded. Reporter car versus motorcycle, a road rage incident all captured on a cell phone. In slow motion the car turns right, then accelerates, right over the motorcycle. Did you think this guy was trying to kill you . Yeah. Absolutely. Without a doubt. Reporter joseph, a navy vet, and melanie were returning with friends from a memorial day observance in florida when both say a driver in a car began to weave in and around traffic. They all ended up at a red light and words were exchanged. The window was already down when we pulled up next to him. And he said i cant say it on tv. You said . I cant say that on tv either. Reporter he has a broken leg. His girlfriend, melanie, a painful road rash. Take a look at the video. What do you think when you look at that . Sends shivers down my spine watching it. Mortified. Absolutely. I get chills. Reporter the driver, 31yearold robert vance, who according to the Police Report admitted to hitting the motorcycle and leaving the scene before he was arrested. The florida Highway Patrol said vance already had his license suspended, is a habitual offender. Now charged with leaving the scene of a crash, and aggravated battery. Road rage incidents are on the increase. According to recent federal statistics, the number of road rage fatalities jumped from 262 in 2010 to 379 in 2014. This is going to be fun. Reporter tonight two motorcycle riders, lucky theyre not also statistics. Kerry sanders, nbc news, tampa. Tonight in the guidance over the zika virus. The World Health Organization said if you have traveled to a country with an outbreak of zika, you should practice safe sex or abstain for eight weeks, double the previous guidance. And men who have shown zika symptoms are now advised to wait six months before trying to conceive with their partners. In chicago, the memorial day weekend was a shockingly violent one. Over three days, 68 people were shot. To put that in perspective, thats more people shot in one weekend than wounded in a typical month in iraq. Chicago police desperate to stop a crisis are now leaning on technology to pinpoint who is likely the next perpetrator, and victim. Nbcs ron mott tonight with the story. Every morning you wake up, someone shot. Reporter her son, garvin whitmore, father of two, veronica lopez, just 15 i just want my baby. Reporter new deadly wave this spring, shootings up 55 , murder 65 higher than a year ago. And come summer, historically, even more blood shed. Daunting challenge for Eddie Johnson and his top cops. How is all of this helping to keep people from killing each other . Relying on demographics to i. D. Potential shooters based on factors like whether theyve been shot before, how many of their friends have criminal records who determine who is next to pull the trigger or who next will be a victim. Were targeting the individuals on the list that are known gang members who continuously terrorize the neighborhoods. We know who they are. We know where they live. We know what they do. And we do arrest them. Reporter days after police knocked on shania browns door, warning her son was on a watch list, and offering to help him, 19yearold tyrone cage was arrested, his fourth arrest. Its tough. Every day i wake up to the same stuff, watch the news, same thing happening every day. You think you could get out of it. Reporter this Police Outreach has helped tyrone apply for jobs, an outcome theyre trying to replicate here before its too late. We talk about a gang culture that starts almost at birth. By the time theyre 12, their destiny is set. And its either prison or death. Reporter flashes of hope in a seemingly endless line of fire. Honey, we are busy right now. Reporter ron mott, nbc news, chicago. Still ahead tonight, how closely do you read those medical bills . The mother who gave birth for one baby, but got charged for two. Where you can turn for help. The viral video of the day, golfers letting this particular visitor go ahead and play through on a course in the sunshine state. Were back now osteoporosis and a high risk for fracture. I can tell you prolia® is proven to help protect bones from fracture. But the real proof . My doctor said prolia® helped my bones are your bones getting stronger do not take prolia® if you have low blood calcium, are pregnant, are allergic to it, or take xgeva®. Serious allergic reactions, such as low blood pressure; trouble breathing; throat tightness; face, lip, or tongue swelling; rash, itching or hives have happened in people taking prolia®. Tell your doctor about dental problems, as severe jaw bone problems may happen, or new or unusual pain in your hip, groin or thigh, as unusual thigh bone fractures have occurred. Prolia® can cause serious side effects, including low blood calcium, serious infections. Which could require hospitalization; skin problems; and severe bone, joint or muscle pain. Only prolia helps strengthen and protect bones with 2 shots a year. I have proof prolia® works for me. Can it work for you . 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As many as four out of five medical bills have mistakes on them according to some studies, but fixing those errors can lead to a costly and frustrating maze of red tape. Nbcs Olivia Sterns on where you can turn. Reporter cindy and her husband, ed, planned everything for their first baby, eleanor. But complications for a csection at the hospital, thats when they got an even bigger surprise. Anesthesia bills for two births. Vaginal delivery and a cesarean. But you only had right, i only had one baby. Reporter over 14 months, the bills kept coming, from some 20 Different Health care providers. So you got 40,000 in bills total . Yeah. Reporter thats when cindy went online and found help from medical discovery services, which discovered several errors in the paperwork. She was Double Billed for anesthesia and billed for tests that should have been covered by insurance. In the end, cindys 40,000 became 8,000 out of pocket, and medical Recovery Services got that down to 1,700. You would be shocked and surprised how many errors that we do see on a daily basis. Reporter in fact, some studies found up to 80 of medical bills contain errors. The problem so widespread that half of employers now offer medical bill advocates as a free benefit. To find an advocate, contact organizations like claims. Org, know that many charge for their service, cindy paid a 1,600 fee r back in florida, cindy had some good news. Were due around christmas. Thats really exciting. Reporter this time, praying not just for an easy delivery, but also an easy time with those bills. Olivia sterns, nbc news, sarasota. Were back in a moment with the surfers stunning comeback after a shark attack nearly ended it all. For adults with advanced nonsmall cell lung cancer previously treated with platinumbased chemotherapy, including those with an abnormal alk or e. G. F. R. Gene whove tried an fdaapproved targeted therapy, this is big. A chance to live longer with opdivo, nivolumab. 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Boost complete nutritional drink has 26 essential vitamins and minerals, including calcium and vitamin d to support strong bones and 10 grams of protein to help maintain muscle. All with a great taste. I dont plan on slowing down any time soon. Stay strong. Stay active with boost®. A shark attack almost cut her career and life short, but 13 years later, Bethany Hamilton has beaten some of the worlds top surfers in fiji. She placed third in the competition, a career best. Hamilton was just 13 years old when she lost her arm to a huge tiger shark. But now she is staging quite the amazing comeback. Now to the unbelievable sight on a florida golf course. Not a hole in one, but Something Else. Actually someone else that has people stopping in their tracks. Its florida. So you might expec or there, just not quite like this gator as nbcs Anne Thompson shows us. That is the biggest alligator ive ever seen in my life. Reporter talk about a hazard. A 15footlong alligator lumbered across the third hole at the Buffalo Creek golf club just north of sarasota. I think thats two guys in an alligator suit. Reporter charlie who shot the video said the gator is kind of a mascot at the golf course. You kind of learn very early on that, you know, people really arent on the menu. Just dont bother it. Dont annoy it. Certainly dont corner it, right . Just let it go. Reporter with swamps and water hazards, gators are such common sights, theyve been captured on video many times. But this one looks like it would be more at home in Jurassic Park than the links. Happy gilmore fans know what a gator on the golf course can do. Oh, my gosh reporter no bites here. Just awe at this alligators golf course swagger. Anne thompson, nbc news. When we come back, how two courageous little boys became the newest members of new yorks bravest. I had a lot of doubts going in. I was a smoker. Hands down, it was, thats who i was. 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Life as a nonsmoker is a whole lot of fun. Ask your doctor if chantix is right for you. Spending the day with my niece. That make me smile. I dont use super poligrip for hold, because my dentures fit well. Before those little pieces would get in between my dentures and my gum and it was uncomfortable. Even well fitting dentures let in food particles. Just a few dabs of super poligrip free is clinically proven to seal out more food particles so youre more comfortable and confident while you eat. So its not about keeping my dentures in, its about keeping the food particles out. Try super poligrip free. Illuminates skin with pearl optics science. Your concert style might show your age, your skin never will. With olay you age less, so youre ageless. Try duo fusion ing antacids . New, two in one heartburn relief. The antacid goes to work in seconds. And the acid reducer lasts up to 12 hours in one chewable tablet. Try new duo fusion. From the makers of zantac. [ park rides, music and crooooh unds ] [ brakes screech ] when your pain reliever stops working, your whole day stops. Excuse me, try this. But just one aleve can last 12 hours. Tylenol and advil can quit after 6. [ cheering ] so live your whole day, not part. With 12 hour aleve. Finally tonight, many little boys dream of becoming firefighters. But for two young friends, that dream actually came true today. They faced huge challenges so early in life, but now new yorks bravest is firefighters, proudly welcoming them to their team. Nbcs joe fryer has their touching story. Reporter 4yearold river lawrence knows super heroes dont have to live in your imagination. After all, his heroes are firefighters. The ones who have been right by his side as me battles not flames, but a cancer called neuroblas tomea. He is pretty brave, isnt he . I think so. He doesnt think he is. But i tell him all the time that i get my brave from him. Reporter river knows a fellow brave warrior, a 3yearold boy named trucker dukes. What sound does it make when it needs to reporter both are staying at the same Ronald Mcdonald house in new york, battling the same type of cancer, and trucker shares Something Else with river. Just loves firefighters. He thinks hes a firefighter. Reporter in fact, he had no trouble forging friendships with the neighborhood firefighters. Incredible how we hit it off. He was such a cool little guy. Reporter so today new yorks Fire Department made it official. Trucker dukes and river lawrence. Reporter inside a packed auditorium, trucker and river became honorary firefighters. Welcome to the fdny, river. [ cheers and applause ] reporter the department will tell you these boys earned the honor by demonstrating incredible courage. Still, right after the swearingin ceremony, trucker went right to work. Today was only a formality. Hes been a part of us since the day i met him. Reporter two brave just put out flames, they ignite dreams. Joe fryer, nbc news, new york. That will do it for us on a tuesday night. Im Savannah Guthrie. Ill see you bright and early tomorrow morning on today. For all of us okay, ready . Whoa [ explosion ] nothing should get in the way of the things you love. Get americas fastest internet. Only from xfinity. Stronger is blasting without risking her bones. Its training her good cells. To fight the bad guys. Stronger is less pain. New hope. More fight. Its doing everything in your power. And everything in ours. Stronger, is changing even faster than they do. Because we dont just want your kids to grow up. We want them to grow up stronger. Lights, camera, access. , man. No, man. Issued a restraining order. Domestic abuse . Blackmail . Im Liz Hernandez with the latest allegations in the depp heard divorce. As the mudslinging gets messier, what is she claiming today