The verdict tonight. Good evening. And we begin tonight with the high stakes democrati showdown set to begin. The first debate on the democratic side. The stakes are enormouss for Hillary Clinton and foror the other candidates. Their r rst big chance to take aim at the frontrunner. Hillary clinton is no stranger to the debate stage. This image here from 15 years ago. Then, the race for the white house in 2008. Shes been in more than two dozen debates, coming down to that duel with barack obama. But in las vegas tonight, a brand new fight. She will be center stage and even before the debate, donald trtrp already weighing in. Clinton shooting back. Abcs cecilia vega leading us off from las vegas. Reporter the stage is set. The final preps are underway. And tonight at that center podium, Hillary Clinton. This is her 26th president ial debate. Our candidates are here. Democrat democratic candidate Hillary Clinton. Reporter clinton tweeting this photo, saying shes been debating important issues since high school. Her goals tonight . Attack republicans not the other democrats on stage. And her first stop on this trip to las vegas . Donald trumps hotel. Some people think mr. Trump is entertainini, but i dont think its entertaining when somebody insults immigrants, insults women, that is just unacceptable behavior. Reporter trump now promising to live tweet throughout the debate. I expect it to be a very boring two hours, he said. Clintons response . Glad youll be watching. Its going to be hugege e also needs too show votots a different side. Im Hillary Rodham clinton. Hey. Great name. Im val. Reporter the relatable Hillary Clinton. And she cannot afford to make any mistakes. For vermont senator bernie sanders, drawing those massive crowds, tonight, his biggest stage yet. His goal . To shohojust how different h h is. People will h he to contrast my consistency and my willingness to stand up to wall street and corporations with the secretary. Are you a capitalist . No, im a democratic socialist. Reporter sanders, not expected to jab hard at clinton, but former Maryland Governor martin omalley, struggling to break past 1 in the polls, could throw some sharp elbows. A preview, perhaps . Comments like this. Leadership is not putting a finger to the wind and waiting for the polls to tell you its safe to do so. Perhaps hell say that again tonight with millions watching. Cecilia vega live from las vegas. As you are reporting here last night on the air, we learned that Hillary Clinton a a former president bill clinton touched down in nevada while we were on the air. He wont be in that debate hall tonight . Reporter no, he will not, david. But we do know that he will be watching on tv. One of the things that hes been focused on over the last few weeks, talking about this, his wifes email controversy, defending her on that. Were going to see clinton try to shift the focus away from that. See if she pulls this f, david, a couple hours away. Cecilia vega, thank you. And tonight, we also know, its not just bill clinton watching, but Vice President joe biden will not be in las vegas, show they saved a podium for him. Instead, theyll be watching before announcing his decision whether to run. We have learned that at his delaware home this morning, a meeting with a key adviser. Abcs chief White House Correspondent Jonathan Karl on what it could mean and where den is watching tonight. Reporter tonight, Vice President biden supporters have a message. Dont count joe out. He might still run. Hi, how are you . Reporter the group draft biden is out with a new ad today, using words from his last speech toohe democratic convention. Its about respecec itit about your place in the community. Its about being able to look honey, its going to bekay. And mean it. And know its true. Reporter biden huddled with top aides today. Our camera caught a quick glimpse of him as he got in his motorcade before leaving the white house. As t t his decision, radio silence. Though the spokesperson for the current president said theres only so much longer he can really wait. I think the Vice President himself has a couple of different public settings acknowledged that hell have to make a decision relatively soon. Reporter even some of bidens supporters are privately growowg irritated by hisis indecisiveness. Asasne told abc news, the window is closing quickly. All right, a lot of americans want to know, too. Jon karl with us tonight. You have new reporting about what biden has planned this watching . Reporter hell be watching president s residence. If he truly hasnt decided, david, its hard to imagine that what he sees in that debate and how hill littleary clinton does, will not be a decision. Hes having a High School Reunion at the vps residence earlier in the night. Thank you. To the other news on this very busy tuesday night. An eyeopening report issues on malaiseysia Airlines Flight 17 crashing in ukraine last year. Tonight, investigators say it was likely a russianmade missile. This is their animation. Shattered the cockpit. Together. There, gone. Mask masks, as well, that might shed light on the passengers final moments. S. Abcs terry moran, who reported from the scene of that tragedy, back on the story tonight. Reporter at an air base in the netherlands today, the shredded front section of the Malaysian Airlines plane, loomed like a grim ghost over the press conference. Flight mh17 crashed as a result of the detonatiti of a warhead outside the airplane. Reporter july 17th last year, the boeing 777 shot out of the sky as it fuel over wartorn ukraine. Debris was brought to the netherlands, months of painstaking work, shown in this remarkable video released today, allowed investigators to reconstruct the final moments of the flight, which they animated dramatically. This warhead explodes to the left and above the cockpit mh17. Reporter this was the cockpit of t t plane and this is the kind of thing that investigators are going to be looking at. Is this shrapnel damage . Is it damage from the breakup of the plane . And has the wreckage been tampered with . Investigators say the cockpit crew was killed instantly. They found telltale fragments of a russianmade buk missile in their bodies and for the passengers, unimaginable horror. Those who werent killed instantly, investigators say, could barely comprehend what was happening, but one passenger was found with an oxygen mask on, and some passengers may have the investigation describes how the plane was shot down, but not who did it. Dutch prosecutors are working on that. Meanwhile, russia has rejected the findings, saying that missile is longer in its arsenal. David . Terry moran with us tonight. Terry, thank you. There is also breaking news from florida tonight, a small plane crashing into a mobile home park. It happened in lake worth, florida, near west palm. The crash setting some of those homes on fire. There is no word of any injuries yet. We, of course, will stay on the story and wee will update you as the tails come in. In the meantime, there is also a new warning from the faa, posted late today and aimed right at the airlines. The faa now saying passengers should be told not to check lithium ion batteries with their luggage. There is fear they could trigger smoke and fire and Abcs David Kerley covers aviation. Reporter tonights warning to passengers, not to pack those extra liliium batteries in checked bags comes after one of the more unusual causes of an emergency landing. The fire is out at this time. Reporter this alaska Airlines Flight to seattle landing in buffalo. The inflight fire caused by one of these. A credit card reader used for purchases. Alaska has pululd more than 3,000 of those brandnew card readers all powered by lithium ion batteries. The maker, guest logix, tells abc news it believes this is an isolated incident. But lithium ion batteries like this which power our phones and computers can ignite and burst into flames. Thats why the faa is alerting pagers not to check extra batteries. And, as this testshows, the agency wants a worldwide ban on airlines carrying bumming shipments of batteries. The Chain Reaction fire, consuming a shipping container. But tonight, the warning to passengers. If you have spare lithium ion batteries, leave them at home. David kerley, abc news, washington. David, thank you. We turn nextonight to headline in a landmark case about guns and if a gun store can be held accountable. At issue, this gun sale. A minor getting an older friend to buy a weapon for him, then using that gun to shoot two flfrs in the face. Those officers then suing the store for selling that gun. And night, the jury findingng the store guiltyty abcs senior justice correspondent Pierre Thomas live in washington tonight with late details. Pierre . Reporter david, in the potentially groundbreaking case, the jury found in favor of the officers, deciding that the gun store was at fault. The jury was asked if the gun store was liable. The jury answered this question yes. Reporter the case began with this altercation between two Milwaukee Police officers and this suspect. It ended violently, with each policeman shot in face, leaving them scarred, physically and mentally. Felt like i didnt deserve to live anymore. I actually considered committing suicide. Reporter the officers deciding to sue the gun store where the weapon was illegally purchased. Julius burton, the suspect who shot the policemen, was too young to buy a gun at the time. So, he paid this man, seen here on surveillance tape, to illegally buy it for him. Its called a straw purchase scam. According to the lawsuit, the gun store approved the sale despite a number of irregular lay irregularities including that the man filling out the form noted that the gun was not even for him. The officers and milwaukee authorities claim badger guns was a rogue store. That between 2006 and 2009, more than 1,800 guns from that dealer were used in crimes. But gun store Officials Say they never intentionally sold to criminals. The last thing we want to do is put a gun in somebodys hands that has thats going to commit a arime. Reporter the gun store gets to appeal the ruling, but the verdict could have farreaching implications. With gun dealers across the nation on notice that they now have to be more careful about who they sell to. David . Pierre thomas on the verdict coming in late today. Pierre, thank you. Tonight here, we remember two hero firefighters losing their lives after saving several others. The fire r ring into the night overnight. The firefighters ss clearing everyone from the burning building when it claptss s collapses on them. Here tonight, the names and the faces of both. Abcs alex perez on the scene in kansas city tonight. Reporter more than 50 firefighters battling thihi massive blaze e ar downtown kansas city. Then ordered to evacuate. The firefighters make it out. Command. Did you copy . Major collapse on the west side. Major collapse. Reporter but not far enough away. One of the walls pushing out 30 feet. Trapping four firefighters in the rubble. Kansas citys bravest racing to sasa their own. 17yearveteran larry leggio and 13yearveteran john mesh, pronounced dead at the hospital. Firefighter leggio leaves a wife, a mother and many immediate family members. Firefighter mesh leaves a wife, four young daughters. They were both good men. They were hard firefighters. We know today, they would still do the same job again if theyey had to. Reporter thehe two other injured firefighters are expected to be okay. Tonight, across this city, flags are flying at half staff to honor the fallen firefighters. This is the First Time Since 2008 a firefighter here has been david . Alex perez tonight. Thank you. We turn overseas tonight, and to israel. A wave of violence now sparking fear andndhe reprizal. One s snning attack today caught on videde a driver slamming his car into a crowded bus stop. Then getting out, stabbing people. Authorities say with a meat cleaver. He was shot dead. There is fear tonight that the violence against israelis and palestinians in recent days could threaten to spin out of control. Back here at home tonight, to chicago, and the formeread of the citys publicc schools pleading guilty to massive fraud. Barbara bird bennett admitting she steered 23 million in nobid contracts to education firms for more than 2 million in kickbacks. She will serve 7 1 2 years behind bars. Next here, a drunk driving arrest like weve never seen before, perhaps saving the drivers life. And here she is, a young woman, using a smartphoneneappp called per scope to stream live video of herself throughout the night, including the drive home. It revealed she was driving drunk. A number of people seeing it, calling 911. The police, theyd never heard of per scope. One figured out how to use the app to find the driver. Heres abcs clayton sandell. Driving home drunk. Eporter in this deo, 23yearold Whitney Beall is allegedly driving drunk, by herself, but not really alone. I am so [ bleep ] drunk. Reporter roaming the streets of lakeland, florida. Where am i right now, people . Reporter shes broadcasting scope to an audience shocked at what they are seeing. Red light. Reporter some viewers thought ittas all a joke. A fuel u ued her to stop. Others called d 1. Hi there. I just saw a girl on perry scope driving drunk. She doesnt know where she is. And shes driving really fast. Reporter for 20 minutes, a realtime race to get her off the road. In fact, it took about officer in training to download that app. She logged in andnd usingng landmamas they could seen the video, directed officers right to that car. Reporter making their own video of beall in handcuffs. She pleaded not guilty. Lakeland police tell us theyll now be training more officers to make social media a bigger part of crime fighting. After 30 years of law enforcement, i hadnt seen anything like this before. Reporter clayton sandell, abc news, denver. Clayayn, thank u. Thehe is still much more ahead on world news tonight this tuesday. And so many of you at home are going to have strong opinions about this next case. The verdict is in tonight. Weve all been to family gettogethers, but this evening, the 8yearold sued by the woman he called aunt jennifer after jumping into her arms and breaking her wrist. Was the 8yearold responsible . Also, new questions for the ceo of drug company t tt triggered a firestorm we reported on here, raising the price of a lifesaving drug 4,000 . And Jennifer Lawrence. What she is now saying about her male costars and the big change she says shes about to make herself. Ng down on medicare fraud. The Health Care Law gives us powerful tools to fight it. To investigate it. Prprecute it. And stop criminals. Our senior medicare patrol v vunteers are teaching seniors across the country to stop, spot and report fraud. You can help. Guard your medicarcard. Dont give out your card number over the phone. Call to report any suspected fraud. Were cracking down on medicare fraud. Lets make medicare stronger for all of us. Alright team, wewee got an f150, needs a systems check and tires. Doc, i need you on point for this one. Already got the latest updates direct from ford engineering. cause ford dealers get that intel first. Treads, what do you got . Lookin a little bald, sir. With all due respect. Got the perfect fit ready to roll. Wheels up, flaps down, lets fly. Ford parts. Ford tools. Ford techs. When your fordrdeeds service, theres one elite team. These are the specialists. At ford. I tried depend last weekend. It really made the difference between a morning around the house and getting a little exercise. Only depend underwear has new confidence Core Technology for fast absorption and the smooth, comfortable fit of fitflex protection. [music] defiance is in our bones. New citracal pearls. Delicious berries and cream. Soft, chewable, calcium plus vitamin d. Only from citracal. Next tonight here, to the verdict in a case making national headlines. The family relative suing a boy over an accident at his Birthday Party when he turned 8. He called her his aunt, but she sued him after his excited hug broke her wrist. Abcs linsey davissith what thee jury decided. Reporter a one of a kind court case today in bridgeport, connecticut. A woman suing an 8yearold relative for 127,000 for inadvertently breaking her wrist when he went to give her a hug. Jennifer Jennifer Connell arrived for the Birthday Party when, according to court documents, gave her a forcele greeting, resulting in severe perm injuries. The incident happened back in 2011. Connell waited two years after the fall to take her cousins son now 12 years old to court. Connell claims the fracture resulted in medical bills totaling more than 113,000. She s ss she continues to have great pain and discomfort, even testifying, i was at a party recently and it was difficult to hold milly plate. It took the jury less than two hours to side with the boy. Yet another fall for the 54yearold connell, who tried to avoid the media as she left the courthouse today,rest fallen and likely inn need of a linsey davis, abc news, kk connecticut. When we come back here this evening, the big headline about beer. The American Beer Company about to become the true king of beers . And then the news about Jennifer Lawrence tonight. What shes now saying about her male costars. Making news. With my moderate to severe ulcerative colitis, the possibility of a flare was almost always on my mind. Thinking about whahato avoid, where to go. And how to deal with my uc. To me, that was normal. Until i talked to my doctor. She told me that humira helps people like me get uc under control and keep it under control when certain medications havent worked well enough. Humira can lower your ability to fight infections, including tuberculosis. Serious,s,ometimes fatal infections and cancers, includidi lymphoma, have hapapned; as have blood, liver, and nervous system problems, serious allergic reactions, and new or worsening heart faile. Before treatment, get tested for tb. Tell your doctor if youve been to areas where certain fungal infections are common, and if youve had tb, or have flulike symptoms or sores. Dont start humira if you have an infection. Raise your e eectations. Ask your gastroenterologist about humira. With humira, control is possible. Our parents worked hard so that we could enjoy lifes simple pleasures. Now its our turn. Im doing the same for my family. Retirement and Life Insurance solutions from pacific lifefean help you protecec what you love and grgr your future with confidence. Pacific life. Helping generations of families achieve longterm Financial Security for over 145 years. Heart healths important. So you may take an omega3 supplement. But its the ingredients inside that really matter for heart health. Bayer pro ultra omega3 has two times the concentratatn of epa and dha as the leading omega3 supplement. Bayer pro ultra omega3. Enjoy your break thanks. I love being on stage. But when i get time off, i take advantage of it. I have postmenopausal osteoporosis and a high risk for fracture. And i know the best way to enjoy a break. Is to help reduceemy risk of having one. Thats why i take prolia. Its different. Its two shots a year. Prolia is proven to help make bones stronger. And help increase bone density. Do not take prolia if you havelow blood calcium, are pregnant, are allergic to it, or take xgeva. Get medical help right away for a serious allergic reaction causing low blood pressure; trouble breathing; throattightness, face , lip, or tongue swelling; rash, itching or hivess as they have happened to 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, remember, the best breaks are the ones we have out there. Not in here. Take action. And talk to your doctor about prolia. To the index of other news tonight. Youll remember the ceo under fifi, increaeang the priri of the lifesaving drug daraprim to 750. Well, now new yorks attorney general looking into whether the company broke laws by restricting the drugs distribution distribution. A megadeal involving the worlds two biggest beer companies. The merger worth 104 billion. The company will control budweiser,r,tella, miller lite. Jenniferawrence saying she was angry when the sony hacking scandal revealed how much less she was being paid compared to male costars. Failing as a negotiator, saying she didnt want to seem difficult or spoiled. She now warns shes over being likable. When we come back tonight, the baby boror over american air spspe. A u. S. Citiz . When youre not confident your mpanys data is secure, the possibility of a breach can quickly become the only thing you think about. Thats where at t can help. At at t we monitororur Network Traffic so we can see things othersscant. Mitigating risks across your business. Leaving you free to focus on what matters most. Woman my mom and i have the same hands. Same eyes. Same laugh. And since shes had moderate alzheimers disease, ive discovered we have the same fighting spirit, too. Thats why i asked her doctor about new onceaday n nzaric. Vo new namzaric is apapoved for moderate to severe alzheimers disease in patients who are currently taki, and can continue to take certain doses of both namenda and donepezil. New namzaric is the first and only treatment to combine 2 proven alzheimers medicines into a single onceaday capsule that works 2 ways to fight the symptoms of moderate to severe alzheimers disease. Onceaday namzaric may improve cognition and overall l nction and may slow the worsening of symptoms for a while. Namzaric does not change how the disease progresses. It shouldnt be taken by anyone allergic to memantine, donepezil, piperidine or any of the ingredients in namzaric. Before starting treatment, tell the doctor about any medical conditions they have. Including heart or lung problems, seizures, stomach ulcers, bladder, kidney, or liver problemem tell the doctor if the patient will havavany procedures involving anesthesia, which may cause muscle problems. Other serious side effects may occur, including slow heartbeat and fainting; increased stomach acid, which may raise the chance of ulcers and bleeding; nausea and vomiting; difficulty passing urine, seizures, the most common side effects associated with namzaric are headache, diarrhea, dizziness, loss of appetite, and bruising. Woman mom and i share a lot ofofoments. And were making the most of each one. Vo ask your doctor if new namzaric is right for your loved one. Every insurance policy has a number. But not every Insurance Company understands the life behind it. For those whove served and the families whove supported them, we offer our best service in return. Usaa. We know what it means to s sve. Get an insurance quote and see why for over 30 years, in study after study, advil is unsurpassed in pain relief. Nothing is proven stronger on aches and pains than advil. Not tylenol. Not aleve. Nothing. Relief doesnt get any better than this. Advil. Finally, the special delivery at 30,000 feet, and the question, is the baby american . Heres neal karlinsky. Reporter passengers usuauay reserve applause for the captain after a Happy Landing. But this too was a Happy Landing of sorts. Baby boy or girl . Baby girl. Reporter just look at how excited that Flight Attendant is, holding a brand new baby girl born at 30,000 feet in the middle of row 49. The china air flighthtas headed fromomaiwan to los angelesesbut you can see on radar where it made a huge course change steering towards alaska for an emergency landing. But will the baby be a u. S. Citizen . The law says if youre born within a 12mile radius of american soil, you are. But we dont know yet. In the meantime, just a big thank you for a doctor who happened to be on board and a plane landed with one more passenger o o boardhan when it started. Neal karlinsky, abc news, seattle. Always great when theres a doctor. Good night. Sioux city. Current temperatures are in the 70s for the most partwhat a great day its been. Your planner tonight shows clear skies once again. The temperature will be 54 at 10 pm, 46 at 2 am, and 41 at 6 am. Ill be back at a look at increased frost potential in the 7day forecast in just a few minutes. Now, its time for local news that matters jenna good evening and thank you for joining us tonight, im Jenna Rehnstrom tim and im tim seaman setting an example. Thats what the Attorney Generals Office is hoping to do today as it finally close a case from two years ago. Jenna we are talking about the case of jamal dean, who shot a Sioux City Police officer in 2013. Since that time