And, hacking your holidays . Crooks intercepting packages right at your front door. Is new technology helping thieves, just as the Biggest Online shopping season ever is about to begin . Thanks for joining us on this sunday. Im tom llamas. We begin with the deadly tragedy in oklahoma. Always boasting their fall celebrations are the biggest in america. Now, the saddest. Thousands gathering to watch the homecoming parade, when a car slamming into them from behind. Spectators going flying, four killed, including a 2yearold. The car, a mangled mess, the lawn chairs abandoned. And tonight, a suspect is in custody. Ryan owens with the latest on the victims, and why police say this happened. Reporter they never saw it coming. Grey car plowing into a crowd of homecoming parade goers saturday morning at Oklahoma State university. Were gonna need a bunch of help. We got a car through a crowd up here. Reporter the casualty count is staggering. Four dead, 47 injured. It hit people, just like thump, thump, thump. As people were flying. Most of the people i saw were just laing on the ground in crumpled messes. Reporter police say this is the woman responsible for all of the carnage 25yearold adacia chambers, arrested for suspicion of driving under the influence. Tonight, shes being held on four manslaughter charges. The District Attorney says investigators believe chambers was using drugs. Coworkers say chambers was sent home early from her job at this local Fast Food Restaurant just before the crash at 10 30 in the morning. Wife bonnie. 23yearold nikita nakal, an mba student. And 2yearold nash lucas. His father posting on facebook, miss you, buddy. One thing no one here is denying the acts of everyday heroism that saved lives. Larry williams is a High School Teacher who knows first aid and didnt hesitate to use it. Youre supposed to be responsible if you have that type of training to go ahead and try and help out. Reporter chambers will be in court tomorrow. Late this evening, her attorney saying in his opinion, his new tom . A horrible incident all the way around. Flash flood watches in five states along the gulf coast. Texas getting the worst of it. You see it there. Rushing water on the streets of san antonio. The water coming up so quickly in houston, this car was caught. Heres rob marciano. Reporter tonight, texas under water. Parts of the Lone Star State getting more than 20 inches of rain. This neighborhood in weslaco submerged. Here. Reporter emergency crews humvees to help residents evacuate. Driving is treacherous. Out at this time. Reporter more than 70 rescues south of dallas, including this man and his dog floods even derailing the cars on this freight train. Many bayous here in houston near or over the top of their banks. Lowlying roads and highways like this one shut down because of the high water. Cars like those two back there getting swallowed by all this rain. In houston, this man searching for his submerged car, getting stuck when the water was just calfdeep. I just stood there and watched my car slowly disappear. Reporter trying to attach a chain so the tow truck could pull it out, ultimately giving up. Outside houston, this funnel cloud. And two reported tornadoes. I looked out the window and all you saw was a whirlwind of trash. Roofs, toppling fences. And in galveston, winds gusting over 50 miles an hour, waves up to 10 feet high. Causes this empty tanker to run aground. The rain has let up a little bit, but continues to come down. And winds, picking up with 69 miles an hour in louisiana. And on that point, whats next for the track . Its gaining strength. As far as the winds are concerned. Its going to move to the east slowly. Its a slow mover. The low is right around lake charles, louisiana. Will scoot across the basin, and wind and flood advisories. That gives you an idea of the scope of the system. The timing of it, some of the heavier rains will be in eastern by 7 00 p. M. , were looking for it to extend to the florida panhandle. The rains in new orleans, and pensacola could see five more inches of rainfall. Quite a system, tom. True. Thank you, rob. And some remnants of Hurricane Patricia feeding those rains. One of the most powerful hurricanes recorded in the western hemisphere. Now, the cleanup begins. Families trying to put their lives back together. Heres matt gutman. Reporter Hurricane Patricia pounded mexicos coast. The rising pacific swamping towns. The winds contorting these palm trees, lopping off others. As the storm swept inland overnight friday, we traveled to the devastation zone, plowing through kneehigh water. Pretty treacherous driving. In the morning, an endless the roads. Theyre climbing out and digging. The ocean swallowed this entire town. The water was over my head. Still, the strongest storm ever recorded in the western hemisphere caused significantly less damage than anticipated. Mexican authorities reported not a single fatality. Sliding in right between the giant port city of manzanillo and the tourist mecca of Puerto Vallarta, category five winds extending only 15 miles across. Plus, it zoomed across the landscape at 20 miles per hour, too fast to damage solidly built structures of cinder block and cement. But it triggered a massive exodus from resort cities like Puerto Vallarta 10,000 americans evacuated. On friday we found david and ellie lloyd sticking it out. And now . What a difference a day makes. Reporter matt gutman, abc news, Puerto Vallarta. Tonight, an extraordinary look at a highstakes commando u. S. And kurdish troops and an air strike completely destroying a prison. Heres abcs alex marquardt. Reporter amid heavy gunfire, the hostages stream out of the darkness. Hands up, feet bare, clothes bloody. Lit by the glow of a fire and the head lamps of their rescuers. This new video, shot on helmet camera, showing American Delta forces along with kurdish fighters storming an isis prison in northern iraq. Rescuing among 70 men that the pentagon says faced imminent execution. This was an opportunity in which the capabilities that we uniquely possess could have a material effect. Reporter they cleared room after room. The black isis flag hanging on the wall. American voices could be heard clearly as the hostages are patted down. All were saved, while around 20 isis fighters were killed. Master Sergeant Joshua wheeler. Arecipient of 11 bronze stars and a father of four. The First American killed in combat against isis. This american did what im very proud that americans do in that situation. He ran to the sound of the guns. Reporter the pentagon denies this now means American Forces are taking part in the combat in iraq. Calling these circumstances unique, and saying there will be more strikes like this in the future. Alex, thank you. And the chaos in that region starting a refugee drama. A little boy, a year and a half old, separated from his mother when their small ship capsized. But then, a miracle. Mary bruce with the details. Reporter two turkish fishermen approach what they think is just a life vest, only to discover its a baby floating. Fearing the worst until they hear his tiny cry. The man desperately working to revive him. Patting him on his back. Trying to shake out the water. This 18monthold syrian boy miraculously surviving five hours in the water alone. Separated from his mother after their boat capsized in the aegean sea. Thousands of refugees have drowned making the same harrowing journey. This heartwrenching photo waking the world to the crisis. The journey to europe especially hard on the youngest, as we saw in croatia. How about for the baby . Any food, any water, formula . He says she has had nothing today. But little mohammed is one of the lucky ones. Reuniting here with his rescuers. His mother thanking them with tears of gratitude. Saying, you gave him a new life. Mary bruce, abc news, washington. An amazing story. We thank mary for that. Back home to the president ial race. The three remaining democrat candidates at a dinner in iowa. Hillary clinton getting some star power, as donald trump tears into his competitor, dr. Ben carson. David wright on the campaign trail from iowa tonight. Reporter in iowa this weekend, Hillary Clintons campaign rolled out the big guns. Katy perry and bill clinton, urging voters to break that Glass Ceiling once and for all. Im tired of the stranglehold president ial spouse. Them hear you roar. Reporter but as Bernie Sanders reminded her, shes lost it before. I think were doing to prove the pundits wrong again. Reporter on the republican side, jeb bush sounded downright dejected after firing 40 of his campaign staff. I have Better Things to do than listen to people demonize me. And me feeling compelled to demonize them. Elect trump if you want that. Bush has no money. Hes cutting. Hes meeting with mommy and daddy. Reporter trump now accused of demonizing ben carsons faith with a remark. Seventhday adventist, i dont know about. Reporter carson wants an apology. And on this week, trump told george, fat chance. I said, i dont know about it. Thats not an insult. Reporter 99 days until the iowa caucus. Just three short months for the return here in iowa, ben carson seems to be making headway. The question is, will it be enough . Tom . Now from the political arena to the gridiron. And an alltoofamiliar ritual, attributed to a hit in the game. Tonight, when the American Academy of pediatrics wants on the sidelines. Heres ron claiborne. Reporter in shock and sorrow, friends of 17yearold andre smith gathered on a High School Football field in chicago, embracing in grief, some holding jerseys with his number on it. Andre was not only a teammate and a best friend, he was like a brother to me. He was a brother to me. Reporter an autopsy concluded the teenager died of Blunt Force Trauma after a hit to his head during a game last thursday. He was the seventh High School Football player to die this season. Today, the American Association of pediatricians issued a report on youth football that blames serious injuries on tackling especially the illegal hits that go uncalled in many games. We need to enforce the rules. We need to stop the head to head hits and make sure kids are being taught on proper tackling technique. Reporter the doctors also recommend skilled athletic trainers on the sidelines, leagues as a safer alternative. About 12 high school and College Football players die every year from footballrelated injuries. Many more are injured, sometimes severely. This new report encourages students and their parents to consider the risks before deciding to play tackle football. The doctors behinds todays recommendations say it is unrealistic to expect kids not to play tackle football, but they stop short of calling for a ban on it. What they hope to do is help reduce the risks for those who choose to play. Tom . Ron, thank you. Still ahead tonight, package thieves with a possible new game plan. This guy caught redhanded swiping packages. How police say he may have been able to track them down with just a smartphone. And later, a 60foot shark . We may have the tooth to prove it. The big discovery thats making jaws look like a guppy. Why pause to take a pill . And why stop what you re doing to find a bathroom . Pcialis for daily use, is the only daily tablet approved to treat erectile dysfunction so you can be Ready Anytime the moment is right. 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With the Holiday Season approaching, and shipping about to surge, you may not be the only one tracking the package you ordered online. Some thieves may have figured out a hightech way to get to your delivery way before you do. Heres kayna whitworth. Reporter its your typical packages left on the porch by the ups driver. A uhaul van backing into the driveway. The driver, getting out and getting away with two packages. He picked the wrong house. Reporter tarzana homeowner rick deckman caught it all on his home surveillance system. Police tracking the license plate from the uhaul, arresting a man and a woman. There were just piles and piles of just stuff boxes, mail. Reporter and the alleged thieves perhaps turning to technology. Los Angeles Police saying the suspects were tracking ups trucks on a phone app and attempting to locate packages without a tracking number. Compromised. But the police are saying they found some evidence. Or some type of searches. That means the will is there to crack that code. Reporter and as those porch pickups increase, police say to be more vigilant. 334 billion this year. Deliveries for a time when youre home, or have them delivered to your office. Kayna, thank you so much. When we come back, is there schools . President obama thinks so. Why his new plan will likely make many students pretty happy. And later, the shocking admission from singer robin thicke. Blurred when talking about his popular song, blurred lines. Opdivo is the first and only immunotherapy fda approved based on a Clinical Trial demonstrating longer life for these patients. In fact, opdivo significantly increased the chance of living longer versus chemotherapy. Opdivo is different. It works with your immune system. Opdivo can cause your immune system to attack normal organs and tissues in your body and affect how they work. This may happen any time during or after treatment has ended, and may become serious and lead to death. See your doctor right away if you experience new or worsening cough; chest pain; shortness of breath; diarrhea; severe stomach pain or tenderness; severe nausea or vomiting; loss of appetite; swollen ankles; extreme fatigue; constipation; rash; or muscle or joint pain, as this may keep these problems these are not all the possible side effects of opdivo. Tell your doctor about all your medical conditions including immune system problems or if youve had an organ transplant, or lung, breathing or liver problems. A chance to live longer. Ask your doctor if opdivo is right for you. Thanks the patients and who participated in the opdivo Clinical Trial. Looks like some folks have had it with their Airline Credit card miles. Sometimes those seats cost a ridiculous number of miles. Or theres a fee to use them. I know. Its so frustrating. Theyd be a lot happier with the capital one venture card. And you would, too why . Its so easy with venture. 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And now to a prehistoric shark that would put todays great whites to shame. This fossilized tooth, millions of years old, once belonged to a humongous shark called a megalodon. It was found on a North Carolina beach. Some perspective here its six inches long. The average size of a great whites tooth, about three inches. This megalodon may have been a 60foot beast. Now to singer robin thicke. The unsealed tapes in his deposition for the blurred lines trial. I was high and drunk every time i did an interview last year. Thicke responding to an interview in which he discussed singer marvin gaye, whose music hes accused of ripping off. Hes currently appealing the jurys verdict against him and singer pharrell williams. Still ahead, a heartstopping moment in a high school gym. A student collapses and stops breathing. No time to spare. Well tell you who jumped in to save his life, and why. Like how you thought you were covered for all this. When youre really only covered for this. Hot dog . 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As we age, certain nutrients. Become especially important. From the makers of one a day fiftyplus. New one a day proactive sixtyfive plus. With high potency vitamin b12. And more vitamin d. Theres something out there. Its a highly contagious disease. It can be especially serious even fatal to infants. Unfortunately, many people who spread it may not know they have it. Its called whooping cough. And the cdc recommends everyone, including those around babies, make sure their whooping cough vaccination is up to date. Understand the danger your new grandchild faces. Talk to your doctor or pharmacist about you and your family getting a whooping finally, sometimes timing is everything. At a high school in utah, faculty that had recently completed a cpr refresher course were put to the test when a student collapsed. This was no drill. And as the Surveillance Video youre about to see showed, they had just seconds to react. Heres linzie janis. Reporter watch these middle schoolers jogging in gym class, nelson slows down, puts his hands on his hips, then collapses onto the floor. Surveillance cameras rolling as the teacher checks his pulse and calls for help. He was trying to breathe at first. Then there was a point where he stopped breathing altogether. Reporter vice principal eric price, who attended a cpr refresher course just days earlier, putting his knowledge into action. Officer alternating applying compressions. He had actually, essentially, died right there in our gym. He wasnt with us. He was gone. He was gone. Reporter 11 terrifying minutes later, paramedics arriving, rushing skyler to the hospital where doctors discovered a genetic heart defect, implanting a defibrillator in his chest. Id like to say thank you very much, im grateful, and god bless you. Reporter skylars heroes visiting him in the hospital. Skylar looked at us as we were leaving and said, thank you for saving my life. Reporter tonight, grateful theyd brushed up on their life saving skills. Linzie janis, abc news, new york. So great they had that training. Gma first thing in the morning. David muir will be right back here tomorrow night. Im tom llamas in new york. Have a great evening. Do you think when you are president youll be paid as much as if you were a manmale. This is one of the jobs where they have to pay you the same. But there are so many examples where that doesnt happen. Im going to do everything i can to make sure every woman in every job gets paid the same. As the men who are doing that job. R