Protesters clashing with police in riot gear just hours before the olympics get under way. And good evening. Im tom llamas, in for david tonight. We begin with that breaking news from the streets of chicago. A deadly encounter between Police Officers and an unarmed black teenager driving a stolen car. We want to warn you, the images are graphic. Look at one officers body camera as he fires at the stolen car. But the driver does not stop until he slams into another police car and runs away. Later, we see him on the ground, but already mortally wounded. Tonight, the Chicago Police have released nine separate videos. But Authorities Say the crucial one did not record. The question is guy. Heres alex perez in chicago. Reporter tonight, the chilling images. A Police Officer opening fire as a suspect speeds away in a stolen jaguar. A second camera shows a second officer firing, as the suspect crashes headon into a police cruiser. The crash, caught on multiple cameras. The suspect flees on foot. Officers give chase. These tense moments from nine newlyreleased body cams. Officers running through backyards, attempting to catch up with oneil, then stepping and pinning him down. After an officer shot him in the back, handcuffing him. Missing from the images, body cam images of the fatal shot being fired. Officials say that camera was not recording. I heard gunshots coming at us. B. But youre the one that shot the defendant. Reporter and concern about fallout. [ bleep ]. Desk duty for 30 days now. Cruicifrucified, man. Reporter . As it appears right now, departmental policies may have been violated in the incident. Reporter tonight, the family calling for justice. It was disturbing. Very disturbing. Not the way anything is supposed to be done. These Police Officers decided to play judge, jury, and executioner. And alex joins us live from chicago. Whats the latest with the officers involved . Reporter well, tom, the three officers involved in this have been stripped of their badges, weapons, and Police Powers pending the outcome of the investigation. Thank you. We move on to the extreme weather. In new orleans, a camera catches debris from a roof being blown off, as a twister blows right by. In phoenix, a flash flood catching drivers by surprise. Heres Steve Osunsami on the trail of those storms. Reporter in new orleans tonight, families are cleaning up after an ef0 tornado with near 80 mile an hour winds flattened three homes and flooded bourbon street thursday. They were expecting just thunderstorms, but saw a twister. Heres what it looked like on a home surveillance camera. When it happened, it seemed like you were in that moment as if it was going to be forever. You know . You by yourself, big brother . Reporter a neighbor Live Streaming pictures recorded strangers rescuing a man trapped in a building that fell on top of him. Oh, my god, theres a tornado. Oh, my god. Reporter a second tornado in florida thursday had wind speeds of near 100 miles an hour. In iowa, families watching this lake were amazed to see this waterspout. Passengers flying above it recorded these spectacular pictures from their windows. Tonight around phoenix, theyre struggling through monsoon flood waters. Cars were taking a bath, authorities had to rescue drivers, and thousands lost power after Severe Weather pushed through. This evening, the desert feels like florida. The tornado here finished off homes that were left behind by katrina. Crews are working to clear this away tonight. Tom . Steve, thank you so much. Lets get right to rob mars ya know. The heavy rain in phoenix flash flood watches remain posted. Potentially heavy rains in the next 48 hours. Watch as it moves across the appalachians. And off the coast by tomorrow night, drier air behind that. Heat and humidity across the midsouth. Little rock, 109 is what it will feel like. Thats dangerous heat. Tom . Rob, thank you. The southern heat that rob mentioned has claimed the lives of two more children left in a car. Tonight, their father is facing manslaughter charges. Temperatures were in the 90s in georgia yesterday when that father left his 15monthold twin daughters in the car. Theyre the 25th and 26th children to die in a hot car this year, nearly double the number of a year ago. And a former acting cia director saying donald trump may pose a threat to National Security. The controversy comes as donald trump is about to get classified National Security briefings. Heres jonathan karl. Reporter in iowa today, donald trump turned the tables on Hillary Clinton, saying shes the one who lacks the temperament to be president. Shes really pretty close to unhinged, and youve seen it. And shes like an unbalanced person. Reporter but trump is now under fire from former cia director mike morrell, who lashed out at trump in a New York Times oped, writing he is not only unqualified, but that he may well post a threat to our National Security. Morell, who has worked at the cia under democratic and republican president s and ran the agency under president obama, goes so far as to suggest that trump is being manipulated by russian president vladimir putin, writing, mr. Putin played upon mr. Trumps vulnerabilities by complimenting him. Putin has referred to trump as a talented and very colorful person. Morell says trump responded just as mr. Putin calculated. I think putins been a very strong leader for russia. He said trump is a genius and trump is gonna win and trump is leading the party. I will get along, i think, with putin. I said he was a strong leader, which he is. Reporter in the intelligence business, morrell writes, we would say that mr. Putin had recruited mr. Trump as an unwitting agent of the russian federation. This comes after trump is about to receive classified National Security briefings. He raised eyebrows this week after he repeatedly claimed that he had seen video of the 400 million cash payment the Obama Administration made to iran back in january. Iran provided all of that footage, the tape of taking that money off that airplane, right . 400 million in cash. Reporter but no such video exists, and today trump seemed to correct himself, tweeting, the plane i saw on television was the hostage plane in geneva, switzerland, not the plane carrying 400 million in cash. And jon karl joins us from the white house. And Michael Morell says that donald trump has taken policy positions in russian interest. Reporter hes released a written statement saying morell is a pawn of president obama. Jon, i want to ask you about something Hillary Clinton said, that fbi director called her answers truthful. But he said, today secretary clinton was asked if he mischaracterized her words. Ive acknowledged repeatedly that using two email accounts was a mistake. And i take responsibility for that. So, does that clear things up . Reporter it really doesnt, tom. She said she may have shortcircuited her previous answer, but again repeated that comey said her statements were truthful, while he directly said something different. Thank you. Oversees to rio, where the Olympic Games are set to begin. But the city is on alert after brazils own troubles broke through. Peaceful protests with police having to move in. Heres matt gutman. Reporter tonight, police in riot gear firing smoke grenades and tear gas into a crowd protesting the lavish spending on the games instead of social services. Medical personnel tending to those hit with the gas. At least two detained. We were there before it just turned violent. Very heavy security presence here in rio. This is about a small protest here but still there are hundreds of heavilyarmed riot police trying to keep this scene and the rest of the city safe. It came just two hours before the city of the carnaval put on its biggest show yet. More than 11,000 athletes marching into the stadium for the opening ceremony. A spectacle guarded by at least 85,000 security personnel, hundreds of them frisking spectators. And among them, abc news has learned, u. S. Intelligence officials working to identify potential threats. Organizers seemed overwhelmed by the scale of it all. Officials breaking into their own stadium because theyd lost the keys. And the Olympic Village in even worse shape. Broken sink basins, unfinished bathrooms. Nearby stairwells turning into waterfalls. While that was something to see, the real excitement happening in the stadium behind me. Nearly 80,000 spectators on hand, to watch brazilian performers act out the countrys history. Thats the biggest show on earth tonight. Thank you. And from london, new developments in the deadly knife attack that killed in 19yearold american woman. The suspect has been charged with murder. 65yearold from florida died in the rampage. Back here now, where the mayor of a suburb of washington, d. C. Is under arrest, charged with dealing drugs. He had just been elected to a third term, but he has been arrested in a Hotel Parking lot. Heres david kerley. Ladies and gentlemen, i have a lot to do as your mayor. Reporter this mayor, sworn in for a third term earlier this year, is tonight the face in this mug shot. Charged with attempting to exchange drugs for sex. It was at this hotel in the affluent suburb of washington, d. C. , that 50yearold Scott Silverthorne met a man he connected with on a website. But that man was an undercover Police Officer. Sort of like a dating website where he meets other men. And it was alleged that the mayor was exchanging methamphetamines for, in exchange for sex. Reporter police say it was at least the second time the former substitute teacher and search Firm Employee had allegedly dealt drugs this way. His alleged suppliers were arrested as well. Fairfax city, shocked by the charges against the longtime city councilmember and mayor. We must begin to think about what kind of city well leave to our children and future generations. If convicted, he faces between 5 and 40 years in prison. Tom . David, thank you. And from connecticut tonight, crews at the scene of a home explosion say it could take days to find a cause. The blast shattered the building with seven people inside, including 4 children under 16. All of the injured will be okay. Investigators are looking closely at propane tanks located in the familys backyard. Still to come on world news tonight, the Home Invasion. The young boy calling for help. What the boy did next. Plus, the close call on the way to the subway, as the ceiling comes crashing down without warning. And news about the worlds most notorious jewel thieves. After at least 380 heists, police tonight with a major break. I even accept i have a higher risk of stroke due to afib, a type of irregular heartbeat not caused by a heart valve problem. But what i wont accept is getting out there with less than my best. So if i can go for Something Better than warfarin, i will. Eliquis. Eliquis reduced the risk of stroke better than warfarin, plus it had significantly less major bleeding than warfarin. Eliquis had both. That really mattered to me. Dont stop taking eliquis unless your doctor tells you to, as stopping increases your risk of having a stroke. Eliquis can cause serious and in rare cases fatal bleeding. Dont take eliquis if you have an artificial heart valve or abnormal bleeding. While taking eliquis, you may bruise more easily. And it may take longer than usual for any bleeding to stop. Seek immediate medical care for sudden signs of bleeding, like unusual bruising. 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Reporter a 14yearold boy, hiding in a closet, whispering as he calls for help. Someone broke into my house. Somebody broke into your house . Reporter Surveillance Video shows the moment a stranger dressed like a landscaper comes to the home early in the morning in pearland, texas. Omar trevino opens the door. He asked if anyone owns the lot next door. I said no. He asked if i was alone and i said yes. Reporter three hours later, the man returns. His truck tearing through the yard, then breaking through a back door window. Someone broke in through a window . Mmhmm. I dialed 911 right here and i went into the closet right here. Reporter its not just children who face danger behind the door. At this apartment in pompano beach, florida, a man seen looking at his phone unknowingly opens the door to two gunmen who steal cash, jewelry, and a computer. In texas, the suspect gets cold feet and runs off. That teen learning an important lesson. Do not answer the door for anyone. Reporter tom, experts say have a Family Safety meeting with your kids. Set the alarm, even when you are at home, and think twice before answering the door for anyone you dont know. Tom . Thank you. When we come back, the new headline tonight. Back to work. More americans on the payroll. Plus, theyve allegedly pulled off some of the biggest jewel heists in the world. But tonight, theyre behind bars. And a close call for subway riders. What happened when the ceiling started collapsing . T psoriatic s with humira. Humira works by targeting and helping to block a specific source of inflammation that contributes to both joint and skin symptoms. Its proven to help relieve pain, stop further joint damage, and clear skin in many adults. Humira is the number 1 prescribed biologic for Psoriatic Arthritis. Humira can lower your ability to fight infections, including tuberculosis. 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The gang linked to at least 380 robberies around the world. Famously using cars and more toe cycles in malls. Police say theyve stolen more than 371 million in jewels. Staying overseas, a close call in shanghai, china. Take a look at this. Surveillance video showing ceiling panels raining down on subway commuters. Within seconds, the entire section begins to collapse. Everyone began running in the other direction. Surprisingly, no one was hurt. And theres good news for the economy tonight. For the second straight month in a row, the jobs report beat expectatio expectations. U. S. Employers adding 255,000 jobs. Wages up 2. 6 from a year ago. When we come back, let the games begin. The american athletes going for gold. Who on team usa will be the next breakout star . For lower back pain sufferers, the search for relief often leads. Here. Here. Or here. Today, theres a new option. Introducing drugfree aleve direct therapy. 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Joint pain and damage. Can go side by side. Ask how enbrel can help relieve joint pain and help stop joint damage. Enbrel, the number one rheumatologistprescribed biologic. Finally tonight, the american stars to watch and cheer at the summer olympics. You may not know them all. Yet. Amy robach is in rio. Reporter weve got breakout stars and returning champs. Michael phelps, the most decorated olympic athlete of all time, facing off against longtime rival ryan lochte. Im not going to stop until i reach my goals and i stop having fun. Reporter that swim team already having fun with their version of carpool karaoke. Yeah theres a party in the usa reporter another swimmer making waves, katie ledecky. Holding three World Records and favored to win three gold. From swimming to volleyball, one of the main events of this olympics. The stunning beaches of rio de janeiro, where americans are joining the thousands here, ready for the games to begin. And keep an eye on simone biles. Some call her the best gymnast of all time. Afterwards im like, did i really just do that . Reporter what inspires claressa shields, the first u. S. Woman to win olympic gold in boxing . The doubters. They actually give me a push. So the more i have, the better. Reporter the women of u. S. Soccer going for a new record olympic gold after a world cup win. History will tell you we tend to strive under pressure. Reporter striving under pressure and driving team usa to victory. Amy robach, rio de janeiro. And to all of team usa, good luck. We will be cheering you on. Thank you for watching. Im tom llamas in for david. This is the jeopardy tournament of champions here are three former champions a phd student in Computer Science from los angeles, california. A construction attorney from santa monica, california. And a currency trader from chicago, illinois. And now here is the host of jeopardy alex trebek thank you, johnny gilbert. Thank you, ladies and gentlemen. And welcome to the new jeopardy musical, hair [ laughter ] scott, you and i are together in this against the two blacks. The two grays against the two blacks. Do what i can. Okay, thank you. Michael, scott, alex, good to see you again. Here we go, the jeopardy round