How two crimefighting teens used one high tech gizmo to stop a pair of crooks and get their boat back. Look out, hardy boys. Good evening and welcome to world news tonight. Im tom llamas. Cecilia is on the campaign trail tonight. We are following several big stories. A nationwide heat wave, those conditions helping fuel this wildfire near los angeles that quadrupled in size overnight. We want to begin tonight with what may be a Pivotal Moment in the 2016 race now less than 48 hours from the Democratic National convention in philadelphia. Hillary clinton introducing her running mate, tim kaine, this afternoon at a rally in florida. A critical Battle Ground in her race against donald trump. And trump wasting no time, unleashing a tweet storm. Lets start with cecilia tonight in florida with the new ticket. Reporter the name of that ticket right there on those freshly painted signs, and on that stage, Hillary Clinton and tim kaine together for the first time as running mates. Clinton introducing her pick to the country make no mistake, behind that smile, tim also has a backbone of steel. Just ask the nra. Reporter the virginia senator and former governor who was passed over for the v. P. Job by president obama 8 years ago, this time beat out 23 other candidates. Today in miami, the microphone catching clinton cheering kaine on, telling him, go get em. Go get em. Reporter kaines spanish learned when he was a missionary in honduras on full display. [ speaking spanish ] the other pluses he brings to the ticket . From his years in the senate, the National Security and Foreign Policy experience clinton wanted, he could also help bring much needed white male voters to her side. While were on the subject of taxes, where are Donald Trumps tax returns . Reporter kaine already assuming the role of attack dog against donald trump do you want a youre fired president or a youre hired president . Reporter today trump unveiling his new nickname for the newest member of the ticket. Trump calling him corrupt kaine and a career politician. Trump also tweeting, just saw crooked hillary and tim kaine together. Isis and our enemies are drooling. They dont look president ial to me. Clinton quickly coming to her new partners defense. Senator tim kaine is everything donald trump and mike pence are not. Cecilia vega joins us from miami. Cecilia, tim kaine has described himself as a boring guy. What was the reaction inside that hall . Reporter Hillary Clinton has said tim kaine being boring doesnt matter to her. Inside this hall i can tell you 5,000 people, they certainly did not think tim kaine was boring today. They were energized by him today. They loved the fact that he spoke so much spanish here in miami. Before tim kaine and Hillary Clinton hit the campaign trail together once again, he said hes got big plans for tomorrow, tom. He is going to church with his family. Cecilia, thank you. I want to bring in abc news jon karl whos in philadelphia, the site of the Democratic Convention next week. Jon, clintons selection of tim kaine has a lot to do with the electoral map when it comes to trying to beat trump. Reporter that was a key factor, tom. Virginia is central to their electoral strategy. Tim kaine is popular in virginia. In fact, he has run for office eight times there, and he has never lost. And tom, theres no accident that this announcement was in florida. The clinton team believes that if they can win florida and virginia, theyve won the election. Jon karl tonight from philadelphia, jon, thank you. Meantime, donald trump tonight seizing on a controversy brewing for democrats after thousands of leaked emails showed Democratic Party officials possibly plotting against Bernie Sanders in his race against Hillary Clinton. And as abcs mary bruce reports, a response tonight from the sanders campaign. Reporter tonight, a major snag on the road to party unity. Wikileaks releasing nearly 20,000 internal dnc emails, including some that appear to show efforts to undercut the rise of Bernie Sanders. In one, a Communications Official considers pushing the narrative that bernie never ever had his act together, that his campaign was a mess. In another, a top official wonders can we get someone to ask his belief. Does he believe in a god . Adding, my Southern Baptist peeps would draw a big difference between a jew and an atheist. The response, an amen. From the start sanders voiced concerns that the scale was tipped in clintons favor. It was even the butt of jokes. Remember all those states like wyoming where you beat me by a lot but then i still got most of the delegates . Oh, my god, that was so stupid. Its rigged its so rigged reporter tonight, sanders supporters are furious. His Campaign Manager telling abc its a clear example of the dnc taking sides and that somebody has to be held accountable. Tonight, still no response from sanders himself, but this is exactly the kind of tension the party was hoping to avoid here with the convention less than 48 hours away. Tom . Not a good story going into that convention. Tomorrow on this week, a big show and a big interview. Bernie sanders with george on the eve of the Democratic Convention. And we will have complete coverage of the Democratic Convention all week. World news tonight, nightline and Good Morning America all live from philadelphia and then a Network Special every night at 10 00 p. M. Eastern and gavel to gavel coverage on our online live stream channel. We want to turn to that deadly heat wave that has more than 100 million americans sweltering this weekend. The extreme heat prompting alerts tonight from coast to coast, dangerous outdoor conditions, the heat index pushing well into triple digits. This little girl trying to cool down in washington d. C. Where it felt like 106 degrees today. And the hot, dry conditions fueling wildfires. More than 20 large fires burning across the west, including the sand fire near los angeles, growing four times overnight. The forecast in a moment, but first abcs eva pilgrim on this dangerous heat wave. Reporter tonight, 100 million americans from california to new york caught in a dangerous heat wave. Heat exhaustion, heat stroke, patient is intubated. Temperature 102. Reporter in phoenix, arizona, a 12yearold rushed to the hospital, died after a day hiking. At least eight people across the country in the last week have died due to the heat including a 70yearold memphis pastor who didnt have ac in his home. We think he was overtaken by the heat. Reporter in the nations capital, emergency crews say they are getting three times more calls for heat issues. In little rock, arkansas where it feels like 114 today, Emergency Rooms are filling up. Weve started to see an increase and thats just continuing. Reporter nurses going door to door to check on patients. Air conditioning, do we have that on . Reporter even before you get in the car, this door handle, 111 degrees. Shavonne ladonis from atlanta, no stranger to the heat, sweltering in the northeast right now. The humidity, you dont get the humidity up here, but the temperature is just hot. Reporter its mid 90s here in new york but its a dry heat. In other east coast cities, the humidity really amping up the discomfort level making it feel like triple digits. Tom . It is hot out there. Eva, thank you. These conditions fueling powerful wildfires out west, and the race is on to control one fire near los angeles. Abcs phillip mena on the fire line tonight. Reporter tonight, the race to contain this fastmoving wildfire north of los angeles. Hundreds forced to evacuate their homes. They gave us a voluntary evacuation, and then shortly after that they gave us a mandatory evacuation. Reporter 300 firefighters on the ground and choppers attacking this blaze from above. The flames massive, producing plumes of smoke, cloaking much of the city. Extremely dry conditions, and winds over 20 miles an hour fanning the inferno. What we saw last night is what we typically see at 2 00 in the afternoon. 50 to 100foot flame lengths, fire whirls. Reporter fire Officials Say the fire started near this highway at 2 00 p. M. Friday. By 10 00 p. M. 3,000 acres engulfed. This fire is moving very quickly. The flames have already jumped from one side of the road to the other. 11,000 acres now charred. And its only 10 contained. And if the wind shifts, 45,000 homes could be in the danger zone. And these flames are not the only thing that firefighters here are battling. Theyre also fighting through triple digit temperatures. This is the hottest weekend of the year here. Tom . Phillip mena for us tonight, phillip, thank you. Abcs rob marciano is in central park with more on the extreme heat. Rob, any relief on the way . That depends where you live, tom, but for most, this heat wave is just getting under way. Its widespread coast to coast. A dome of high pressure, almost pressure cooking the atmosphere across the lower 48. Weve got thunderstorms underneath and above it. Severe thunderstorm watch for change and chicago and parts of new england. Another hot day tomorrow, might cool a little bit towards the beginning of next week but the central and eastern part of the country is not going to cool. Another oppressive day. Sundays temperatures will feel once again like theyre up and over 100 degrees. For the northeast, the big cities, d. C. , philadelphia, baltimore and new york only will get worse, the heat lasts through wednesday, the longest and hottest stretch of weather that weve seen in three years. Tom . People got to be careful out there. Rob, thank you. Next tonight we move overseas and disturbing new details tonight about the 18yearold gunman who opened fire at a popular Shopping Mall in munich, germany, killing nine, including seven teenagers. Authorities believe the shooter studied Mass Shootings in this country and may have hacked a facebook account to lure victims to his rampage. Heres abcs alex marquardt. Reporter new revelations tonight about the attackers dark obsession with Mass Shootings. Authorities raiding his apartment and finding a book on school shootings, including columbine and virginia tech. The first images of fridays attack showing the gunman outside of mcdonalds, firing at passersby. Authorities now investigating whether he hacked a Facebook Page and lured people there with promises of free food before shooting nine people dead and killing himself. Thamina stoll was on her way to to the mall when he struck. The Duke University senior ran back to her grandmothers and filmed the chaos from her balcony. It was so surreal. I immediately started calling all of my friends and family. I had to know that they were safe. I didnt know where my brother was for the longest time, but he was safe, too. I cant even find words. Its just horrible. Reporter the gunman now identified as an 18yearold germaniranian student born in munich. The authorities ruling out terror ties, saying he received Psychiatric Care for depression. Seven of the nine murdered were teenagers, going to the mall like any other teens around the world. At least ten of the wounded are in Critical Condition tonight. German chancellor, angela merkel, called the attack a night of horror and vowed to get to the bottom of the gunmans motive. Tom . A night of horror is right. Alex, thank you. Now to afghanistan and a deadly suicide bombing in kabul. Targeting what had been a peaceful demonstration, 80 people dead, hundreds wounded. Isis claiming responsibility. Their first attack in that nations capital. The white house condemning the violence rocking that city tonight. Back here in the states and to baton rouge where one of the three officers killed last week in a targeted attack on police was laid to rest. More than 1,000 people, family and fellow law enforcement, paying respects at the funeral of sheriffs deputy brad garafola. He was killed in crossfire as he tried to save another deputy. The service follows the funeral for Baton Rouge Police officer matthew gerald, the third officer killed. Montrell jackson will be buried on monday. Next to florida and new questions about a Controversial Police shooting. An unarmed therapist who was trying to help a man with autism, that mans family speaking out tonight. Heres abcs marci gonzalez. Please dont shoot please dont please reporter the man sitting on the ground is arnoldo rios soto, a 26yearold with autism. Tonight his family telling abc news he is utterly traumatized. Its just so sad that he couldnt walk down the street with his caregiver. Reporter sotos therapist, charles kinsey, lying down with hands up, is heard on this video explaining the object in sotos hand is not a weapon. All he has is a toy truck in his hand, a toy truck. I am a behavior therapist at a group home. Reporter officer Jonathan Aledda shooting kinsey in the leg. The police union saying the officer was trying to protect kinsey and was actually aiming at soto, thinking he was a threat. Kinseys attorney questioning that claim. If im an officer and make a mistake and shoot an individual, the last thing im going to do is throw some handcuffs on him. Reporter aledda releasing a statement saying in part, i took this job to save lives and help people. I did what i had to do. Tonight officer aledda is on paid administrative leave, and now a second officer is suspended without pay as city officials investigate whether he fabricated part of the police report. Tom . Marci, thank you. Theres much more ahead on world news tonight this saturday. Before you dive into that water, the warning tonight for poolgoers, especially in this broiling hot weather. Plus rescue at sea, the wild scramble to abandon ship when a tugboat catches fire. And why Charles Manson and his cult followers who once terrorized a nation are back in the news tonight. Try cool mint zantac. Hey, need fast heartburn relief . It releases a cooling sensation in your mouth and throat. Zantac works in as little as 30 minutes. Nexium can take 24 hours. Try cool mint zantac. No pill relieves heartburn faster. [we know a thing or two because weve seen a thing or two. We are farmers. Bumpadum, bumbumbumbum thats all i crave. E thats where this comes in. Only nicorette gum has patented dualcoated technology for great taste. Plus nicorette gum gives you intense craving relief. And that helps put my craving in its place. Thats why i only choose nicorette. I am proud of you, my man. 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The cdc finding almost 80 of public swimming places reviewed had at least one health or safety violation. One in eight so serious, it resulted in immediate closure. Kiddie pools fairing the worst. Avid swimmers are familiar with the health problems. Sinus infections, allergies, swollen eyes, pink eye, sore throat, strep throat. Reporter before diving in, one physical thing you can look for, can you see the bottom of the pool . If not, if the water is too cloudy, thats a concern. We use five of this. Reporter high summer temperatures and sun bring more danger, killing the chlorine in a pool faster. Experts recommend finding out how often the water is tested. How often are your pools be checked. What do you want the answer to that to be . You want the answer to be every couple hours at an absolute maximum. Reporter keeping the pool clean also depends on the public. Lauren lyster, abc news, los angeles. Lauren, thank you. Up next, imagine coming home to this. 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And get a free consultation with a certified diabetes educator if you qualify. And the tugboat crew scrambling for their lives. Their boat went up in flames. This happened off the coast of saint augustine, florida. It took rescue crews hours to extinguish the blaze. So far, no injuries reported. And more jail time ahead for a manson family member. Leslie van houten denied parole again. The youngest Charles Manson follower convicted in the helter skelter murder spree back in 1969. She was 19 at the time, 66 now. California governor jerry brown overturning the parole board recommendation for her release. Her lawyers say she will try again. In a showdown between a house and a bulldozer, the bulldozer won. The site here in denver no homeowner ever wants to see. This was not supposed to happen. Police say the bulldozer driver had some sort of medical problem. Luckily nobody was home when it happened. The clothing manufacturer cleaning up thanks to the palace. Cashing in royally on that shirt worn by Prince George in those birthday portraits just released. The little shirt made by the sunuva Company Selling out in just one hour. They go or should we say they went for about 12 apiece. The Little Prince a savvy shopper. When we come back, chris and nicks excellent adventure. What happens when a couple of crimefighting kids take on both thieves with their trusty drones. Stay with us. If you have moderate to severe rheumatoid arthritis, and youre talking to your doctor about your medication. This is humira. This is humira helping to relieve my pain and protect my joints from further damage. This is humira helping me go further. Humira works for many adults. It targets and helps to block a specific source of inflammation that contributes to ra symptoms. Doctors have been prescribing humira for over 13 years. Humira can lower your ability to fight infections, including tuberculosis. 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Ask your healthcare professional if trintellix could make a difference for you. Finally tonight, two unlikely young crime fighters and their sidekick drone now have a story to take back to school in september. Heres abcs neal karlinsky. Reporter armed with only a drone and a healthy dose of youthful enthusiasm, chris harris and his friend nick garlock went in hot pursuit for a pair of boat thieves from an island north of seattle. They captured this video with the drone going nearly 50 miles per hour. On the trail of the pair who had just stolen that speed boat and a second boat, their zodiac. Its every kids dream to fight crime and use super powers and we got to do that. Your super power was a drone . Exactly. Reporter the two say they heard a boat engine early in the morning, looked outside and saw their boat being taken. Capturing the moment with a cell phone. While nick called police, chris took off with his drone and chased them down. The drone was flying close enough at the time that the thieves likely knew they were being followed, but chris and nick zeroed in with gps and told police. Officers arrested a husband and wife on first degree theft. Chris and nick finished off their excellent adventure, getting their boat back, a picture with police, and a Summer Vacation tale worthy of bragging rights. Neal karlinsky, abc news, camano island, washington. Neal, thank you. Gma and this week in the morning. David anchors world news tonight from philadelphia. Im tom llamas. Have a good evening. Good night. Up to a tenday commit. Wildfire worries. How bay area firefighters will help with this growing fire along the central coast. Smashed glass and s. W. A. T. Teams in south bay. The overnight party that got way out of hand. See the most unusual way to get a slurp yes. Abc7 news at 6 00 starts now. Fire crews from at least four bay area counties are headed to a fire that has burned more than 2,000 acres south of monterey. This satellite photo tweeted out by the National WeatherService Shows just how strong the smoke is off the coast of this fire. Sergio quintana is live at a San Francisco fire station in the mission where he fnd out how firefighters from here are helping out. Reporter San Francisco firefighters got the call this afternoon to send resources to the sobrante fire and there are strike teams from San Francisco on their way there these are photos tweeted by the San FranciscoFire Department this afternoon. Five strike teams have been mobilized, comprising a total of five engines and 22 firefighters. This is their first wildland fire deployment of the season. If this was a code three request, so its an immediate need. As of this morning my understanding is there was a thousand structures that were thenned and i dont know what has happened between 8 45 this morning and now. Reporter there are teams from four different bay area counties, along with San Francisco, alameda county, santa clara county, and san mateo counties are sending teams them fire has grown to more than 3,000 acres in a very