Swimmers finally back home, lochte is opening up about the controversy in an exclusive interview with matt lauer. The 32yearold calling his behavior that night immature and childish. Lochte says he takes full responsibility for his actions and for not telling the full story from the start. You told me on the phone line, you said, we are victims here. We are victims, and were happy thatre conference they said theyre not victims, theyre vandals. How do you feel about that . Its how you want to make it look like. Whether you call it a robbery, whether you call it extortion or just us paying for the damages, we dont know. All we know is there was a gun pointed in our direction and we were demanded to give money. Gunner in his statement to police said at some point someone who spoke english walked over translate this altercation, and he made it clear that the Security Guard was telling the four of you, you need to pay for that stuff, that damage, before you can leave here or im going to call the police. You understood that at that time, didnt you . Yeah, so then we had to give the money. At that point, youre striking a deal. Youre striking a deal to pay for what damage youve caused so he doesnt call the become a bigger incident. Isnt that fair . We just wanted to get out of there. There was a gun pointed in our direction. We were all frightened, and we wanted to get out of there as quick as possible. And the only way we knew is this guy saying you have to give him money. So we gave him money and we got out. The first version of the story you told was much more about the mean streets of rio, and the version much more about an negotiated settlement to cover up some dumb behavior. And thats why im taing full responsibility for it because it overexaggerated that story. If i had never done that, we wouldnt be in this mess. Those guys would never be in rio were in rio. None of this would have happened and it was my immature behavior. Lauers exclusive conversation with ryan lochte. You can see more of matts interview with lochte tonight in our primetime coverage and monday morning on today. Here in rio, team usa keeps dominating as these games come to a close. Just consider this. If the american women formed their own team here, they would have the third most golds of any country, their medal count tonight. Usain bolt puts them away and charges to the lead. Reporter usain bolt won jamaican bragging rights once again after securing perfection for himself. Three straight olympics, nine races, nine golds an extraordinary finale to his olympic career. The tripletriple is in the books. Why would you want to stop now . Because im were draped in red white and blue. It is just now starting to sink in theyve been disqualified. Reporter but it was wiped out in an instant. It cost team usas first trip to the medal stand since athens in 2004. What are they saying happened . Theyre saying we changed the path a appealed the violation without success, forfeiting the bronze to canada. After nearly dropping a golden opportunity in a qualifying heat, saved by an interference call, american women sprinted into glory, defending their london gold with a thrilling repeat in rio. Allyson felix has more olympic gold than any other woman in track history. I think we felt lot, you just come in and you will you can do is keep fighting and thats what you did. Theres your olympic gold medallist and for the First Time Ever shes from the United States. Reporter emotion rushing to the surface when it was over. Similar sentiments in womens water polo. Another u. S. Gold. Players honoring their coach whose brother died suddenly in california days before the games began. Hardwood. The United States women powered to a sixth straight gold medal. Another big honor for gymnast simone biles tonight. Shes been named the flag bearer for team usa for tomorrow nights closing ceremony. The u. S. Could add to its lead. Biles a perfect picture, a 49 giant. Back home in the United States, the zika virus is sparking new fears in miami confirmation the disease has spread to one of the countrys most popular tourist destinations. How people are responding to the health risk and the potential impact on the economy there. Reporter day or night, the rhythm of south beach is alive. Outdoor caves, white sand beaches, and tourists everywhere, but now a portion of south beach is also a zika zone as five new cases of locally in nearby wynwood several weeks earlier. Bill croft has managed sprees for 18 years and fears what word of its spread might mean for business and tourists like the allen family from ohio. Viruses are more difficult to treat than bacterial infections. Reporter tourism drives miamis economy. Last year alone million tourists visited bringing in 24. 4 billion. At this local gathering for expectant moms, the jitters were all too real. Im confined to the indoors most of the time. Reporter zika can cause miscarriages and birth defects, with pregnancies can be affected in all three trisemesters. You never know if youre safe or not. Reporter today insecticide spray continued. We think this is something that we can contain. Reporter south florida hoping this latest outbreak is stopped in its tracks soon with life returning to normal. Some people are concerned while others are actually putting their lives on hold like those pregnant mothers you just met. Some om as much as possible until they get the all clear. Peter . Thanks. In politics, donald trump is campaigning in virginia tonight, trying to move beyond a week have turmoil. Also trying to connect with a group of voters who have largely dismissed his campaign. Jacob rascon with our report. Reporter donald trump trailing by double digits looking to reboot his campaign. Now on. Reporter under new management, scripted, even modest. It is encouraging to see him be a little bit more humble, be a little bit more on script. I think he probably needed this, yes, and i think it is working out for him real well. Reporter trump now courting africanamericans, polling with that group at 1 . Youre living in poverty. Youre schools are no good. You have no jobs. 58 of your youth is unemployed. What the hell do you have to lose . Reporter trump also reaching out to hispanics. Welcome to the world of trump. Reporter today hosting a roundtable with hispanic leaders flanked by his Third Campaign chief in two months. Meeting with Law Enforcement members. Among those not impressed with trumps reboot, Hillary Clinton. Attacking trumps rare declaration of regret with his own words. Do you regret saying that specifically . No, not at all. Reporter polls show Hillary Clinton with a ninepoint lead nationally, but both candidates vulnerable. Just 17 say trump has the personality and temperament to serve as president. Only 11 say clinton is honest and trustworthy. A number not helped by clintons ongoing email controvers her to give written answers to a conservative law group that filed a lawsuit over the issue. 20 events planned in the next 11 days. Some hosted by hollywood celebrities. Trump just wrapped up a virginia rally here reading off a prompter for the fifth time this week. During the roundtable about what to do with the 11 million estimated undocumented immigrants in the country. He expressed an openness to doing something other than deport all those immigrants. We turn to syria now. More tragic news this evening involving the family of that wounded boy whose image is igniing renewed outrage report tonight. Reporter three days after 5yearold omran became the face of aleppo, his 10yearold brother has died. He succumbed to wounds he received during the same air strike that destroyed his familys home earlier this week. There will be more. At least 100,000 children remain caught in aleppos crossfire. The home of these also destroyed in an air strike. British aide worker has spent the past four years helping syrians. He filmed these images in an aleppo hospital this last week. Every time i close my eyes, i see the faces. Ive seen a lot of death in my time here, but for me, one of the most difficult things to see is children. Reporter sharif is a father himself. He and doctors in this food and medicine, but more than anything they need an end to the fighting. Hospitals are regular targets. Only a few dozen doctors are left in the city. We want the bombing and shelling to stop. Thats the only thing thats left that we want. Reporter but it is the children that are carrying the burden of this expanding war. President assads forces launched devastating air news. Still ahead tonight, above and beyond. The man who risked h i worked years to get my medicare e fraud. It made me so mad i wanted to give them the old onetwo one, never give your medicare number to get a free offer or gift two, always check your medicare statements for errors these crooks think were clueless, they dont have a clue its your medicare, protect it see more ways to fight fraud at medicare. Gov fraud . . Staying in rhythm, its how i try to live, how i stay active. And to keep up this pace, i need the right nutrition. So i drink boost . Boost . Complete nutritional drink has 26 essential vitamins and minerals, including calcium and vitamin d to support strong bones, im not about to swim in the slow lane. Stay strong. Stay active with boost . Someones hacked all our technology. Technology. Say, have you seen all the Amazing Technology in geicos mobile app . Mobile app . Look. Electronic id cards, emergency roadside service, i can even submit a claim. Yep, geicos mobile app works like a charm. Geico. Expect great savings and a whole lot more. Were back with a disaster still unfolding in the u. S. Search teams are still going door to door looking for survivors. A man who jumped into those floodwaters to rescue her. Charles hadlock with that story. Reporter david has spent so much time this week cleaning out wet debris from friends and neighbors homes, that hes barely had time to clean his home, but its what david did in the first few hours of a flood that has people talking. So it happened right here . Yes, sir. Reporter david was in his boat about where these tire tracks are when he saw w sinking. I dont want to drown. Reporter a cameraman from tv station wafb captured the unfolding drama. They tried smashing the window with a pole. The car was disappearing. For david, there was only one thing left to do. I just didnt want to see this lady die in front of me and i get my dog. Get my dog now. I knew she wasnt going back to the boat without her dog. Reporter to this day, david doesnt know the womans name or anything about her or the dog for that matter. Im just doing what everybody else down here who has their own boat, good samaritan, would do. Reporter with all the misery piling up in louisiana after devastating flooding, people here look for the bright spots. And they may have drama rescue by a stranger willing to help. Charles hadlock, nbc news, baton rouge, louisiana. That guy is a real hero. When we come back, were going to meet a worldclass american i am totally blind. I lost my sight in afghanistan. If youre totally blind, you may also be struggling with non24. Calling 8448442424. Or visit my24info. Com. wolves howling when heartburn comes creeping up on you. Fight back with relief so smooth and fast. Tums smoothies starts dissolving the instant it touches your tongue. And neutralizes stomach acid at the source. 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If you have any sudden decrease or loss in hearing or vision, or any symptoms of an allergic reaction, stop taking cialis and get medical help right away. For all the success of the Olympic Games here in there is growing concern tonight about the paralympics which begin in this city just 18 days from now. Organizers are slashing their budget as a result of poor sponsorship and ticket sales. Listen to this. At last count, just 12 of tickets have been sold. Officials say that means some competition sites will be closed and staffing level lss will be reduced. Still none of it is dampening the spirits of more than 4,000 athletes from more than 160 countries compete in the paralympics. One of them is michael brangan. He just happens to have autism. Kate snow has his story. Reporter mikey brangan simply loves to run. Have you had to train yourself to hold back a little . Been teaching me that. Reporter for mikey and his family, the road to rio goes all the way back to when he was a toddler and diagnosed with autism. He went from crawling to running and he would be running right into the walls. Reporter you were afraid he would be hurting himself . He had to hurt himself. Reporter his parents worried about his future, but when mikey was 7, his dad found a Running Program called Rolling Thunder and something just clicked. And with the support of his coaches mikey started to win. We first met mikey two years ago. Do you think autism makes you a better runner . A better person. Reporter a better person . Every time i brought him to a race or a practice, he was just a regular kid. Knowing all the other stuff that goes on, everything goes away high school he started training with olympians and paralympians in chula vista, california. He moves his body like classical music, effortless. Mikey represents hope for so many people. Reporter last fall winning gold at the world championships. Im in top shape. Reporter his family will be there cheering him on. Now i see everything as a gift. Through this journey and inspire other people. Autistic people can be elite athletes. They can. Reporter and mikeys advice try your best, find what you love, and stick with it and fall in love with it. Reporter when you find that thing like you found running, its magic, isnt it . Yes, its magic. Reporter magic that could turn to gold. Kate snow, nbc east north port, new york. Now everybody is going to be rooting for mikey. Up next, were for mikey. Up next, were go you dont know this yet for mikey. Up next, were go but in fifteen hundred miles, youll see what youre really made of. After five hours of spinning and one unfortunate ride on the gravitron, your grandkids spot a 6 foot banana that you need to win. In that moment, youll be happy you partnered with a humana care manager and got your health back on track. Because that banana isnt coming home with you your health is ready for them. At humana, we can help you with a personalized plan for your health for years to come. Dont let dust and allergens get between you and lifes beautiful moments. Flonase gives you more complete allergy relief. Only control one inflammatory substance. Flonase controls 6. And six is greater than one. Flonase changes everything. . This car is traveling over 200 miles per hour. To win, every millisecond matters. Both on the track and thousands of miles away. With the help of at t, Red Bull Racing can share critical information about every inch of the car from virtually anywhere. Brakes are getting warm. Confirmed, daniel you need to cool your brakes. Because no one knows like at t. Finally tonight from here in brazil, a journey into the amazon way north of this olympic park in rio. It is a stunning area hi reporter deep in the amazon is a family raising their children in the wild, learning about the jungles firsthand. Like how to recognize the mark of a predator. Thats where a jaguar climbed the tree. One year ago around. Reporter now their 9yearold daughter kenna can call to monkeys. Natural insect repellant ants. They bite you. There are 390 billion trees in the amazon. We climbed one 180feet high. Dont look down, right . You can look if you want. Reporter anytime youre concerned about your daughters safety, remember this ar Worlds Largest jungle. This tree has been here 200, maybe 300 years, and from our drone, you can see what i can see the vast, stunning canopy of the ancient amazon. But leo does worry about his forest. The forest is weakening. Reporter because of Climate Change . Yeah, sure. Reporter last year was the driest hes ever seen, leo says. While deforestation most folks worry about their family and home. The home this family worries about concerns us all. Pierce simmons, nbc news, the amazon. Who needs deet when you have got ants . Thats nightly news for this saturday. Im Peter Alexander in rio. For all of us here at nbc news, thanks for watching. Cave creek, thos the south and look even further out towards the north, you can see very strong thunderstorms in the morning portion of scottsdale stretching up towards lake pleasant. The entire valley is more than likely going to see wind gusts of 35 to 40 miles per hour. You can see how large this thunderstorm complex is all the way back up towards prescott. So, again, these winds are going to with strong around the entire region. Coming up in a little bit, well have a lot more on these storms ang thank you very much. Turning now to the other big story tonight, the hunt for a serial shooter who has killed seven people in nine shootings in phoenix. Now, the Police Officers have been looking for this man here for months, and they still have no leads. Tonight the city leaders are on a quest to raise aware innocence the community and honor the lives of the victim. William pits is live at 55th avenue and osbourne. Reporter this is in the middle of where all of the