welcome to "world news tonight." homecoming horror. a car plows into a group of parade watchers. four people dead, including a 2-year-old. the driver behind bars. tonight, what happened to her just before the crash. inside the raid. watch as commandos storm an isis compound, rescuing dozens of prisoners. a soldier's helmet cam taking us right into the daring mission. miracle at sea. fishermen pluck an 18-month-old baby from the middle of deep waters. the tiny refugee floating for hours. plus, the moment the baby's mother meets her son's saviors. texas slam. torrential rain and flash floods, washing out train tracks. triggering dozens of water rescues. the anxious night ahead. 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? good evening, thanks for joining us on this sunday. i'm tom llamas. we begin with the deadly aftermath of the homecoming at the university of oklahoma. always boasting their fall celebrations are the biggest in america. now, the saddest. a car slamming into them from behind. spectators going flying, four killed, including a 2-year-old. 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. this disturbing video shows the grey car plowing into a crowd of homecoming parade goers saturday morning at oklahoma state university. >> we're 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 lying on the ground in crumpled messes. >> reporter: police say this is the woman responsible for all of the carnage -- 25-year-old adacia chambers, arrested for suspicion of driving under the influence. tonight, she's 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. among the fatalities, professor marvin stone and his wife bonnie.

and 2-year-old nash lucas. his father posting, 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 didn't hesitate to use it. >> you're 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. and saying in his opinion, his client is mentally ill. tom? flash flood watches in five states along the gulf coast. texas getting the worst of it. rushing water on the streets of san antonio. this car, caught in the water, its lights still on. here's 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. >> we've never been flooded here. >> reporter: emergency crews using buses, boats, even hum-vees to help residents evacuate. driving is treacherous. >> they're pulling the patient out at this time. >> reporter: more than 70 rescues south of dallas, including this man and his dog with seconds to spare. floods even de-railing the cars on this freight train. many bayous here in houston near or over the top of their banks. low-lying 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 calf-deep. >> i just stood there and watched my vehicle slowly disappear. >> reporter: trying to attach a chain so the tow truck could pull it out, ultimately giving up. outside houston, this funnel cloud. two reported tornadoes. >> i looked out the window and all you saw was a whirlwind of trash. >> reporter: winds ripping off roofs, toppling fences. and in galveston, winds gusting over 50 miles an hour, waves up

to 10 feet high. the rain has let up a little bit, but continues to come down. and winds, 69 miles an hour in louisiana. >> and on that point, what's next for the track? >> it's gaining strength. it's a slow mover. the low is right around lake charles, louisiana. will scoot across the basin, and wind and flood advisories. the timing of it, some of the heavier rains will be in eastern louisiana by 7:00 a.m. tomorrow. by 7:00 p.m., we're looking for it to extend to the florida han handle.

pensacola could see five more inches of rainfall. >> and some remnants of hurricane patricia. one of the most powerful hurricanes recorded in the western hemisphere. now, the cleanup begins. here's matt gutman. >> reporter: hurricane patricia pounded mexico's 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 knee-high water. >> pretty treacherous driving. >> reporter: in the morning, an endless convoy of line crews carving open the roads. 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. not a single death reported. 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. but it triggered a massive exodus from resort cities like puerto vallarta -- 10,000 americans evacuated. on friday we found david moore sticking it out. and now? >> what a difference a day makes. >> reporter: matt gutman, abc news, puerto vallarta. tonight, an extraordinary look at u.s. and kurdish troops

and an air strike completely destroying a prison. here's alex marquardt. >> reporter: the hostages stream out of the darkness. 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 with kurdish fighters storming a prison in northern iraq. >> 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. but one delta team member died,

master sergeant joshua wheeler. the first american killed in combat against isis. >> this american did what i'm very proud of in that situation. ran to the sound of the guns. >> reporter: the government calling these circumstances unique, and saying there will be more strikes like this in the future. and 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 it's 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 18-month-old 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 heart-wrenching 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. back home to the presidential raise. the three remaining democrat candidates at a dinner in iowa

david wright on the campaign trail from iowa tonight. >> reporter: in iowa this weekend, hillary clinton's campaign rolled out the big guns. katy perry and bill clinton, urging voters to break that glass ceiling once and for all. >> i'm tired of the stranglehold that women have on the first spouse. >> sometimes you have to let them hear you roar. >> reporter: but as bernie sanders reminded her, she's lost it before. >> i think we're doing to prove the pundits wrong again. >> reporter: jeb bush sounded dejected after firing 40% of his campaign staff. >> i have better things to do than listen to people demonize

me. elect trump if you want to do that. >> bush has no money. he's cutting. he's meeting with mommy and daddy. >> seventh-day adventist, i don't know about. >> reporter: carson wants an apology. and trump told george, fat chance. >> i said, i don't know about it. that's not an insult. >> reporter: 99 days until the iowa caucus. 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. a vigil for a follallen player, andre smith, his death attrib e attributed to a hit in the game.

here's ron claiborne. >> reporter: in shock and sorrow, friends of 17-year-old 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 often go uncalled in 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, establishing non-tackle football leagues as a safer alternative. about 12 high school and college football players die every year from football-related injuries.

many more are injured, sometimes severely. this new report encourages students and parents to consider the risks before deciding to play tackle football. the doctors behinds today's recommendations say it is unrealistic to expect kids to not play tackle football, but they stop short of calling for an outright ban. what they hope to do is help reduce the risks for those who m?oose to play. >> ron, thank you. still ahead tonight, package thieves with a possible new game plan. this guy caught red-handed swiping packages. and later, a 60-foot shark? we may have the tooth to prove it. the story behind this big discovery. when a moment spontaneously turns romantic, why pause to take a pill?

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approaching, and shipping about to surge, you may not be the only one tracking the package you ordered online. here's kayna whitworth. >> reporter: it's your typical package delivery. packages left on the porch by the ups driver. but watch what happens next. a u-haul 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 owl on his home surveillance cameras. >> reporter: police tracking the license plate from the u-haul, arresting a man and a woman. >> there were just piles and piles of just stuff -- boxes, mail. >> reporter: and the alleged thieves 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. ups denies its technology was compromised. >> the police are saying they

found some evidence. that means the will is there to crack that code. >> reporter: and as those porch pickups increase, to be more vigila vigilant. experts say schedule your deliveries for a time when you're home, or have them delivered to your office. when we come back, is there too much testing in american schools? president obama thinks so. why his new plan will likely make many students feel happy. and robin thicke on the hot seat. testifying about his popular song, "blurred lines." ng this big comes along. a chance to live longer...

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this megalodon may have been at t bi now to singer robin thicke. >> i was high and drunk every time i did an interview last year. >> thicke responding to an interview in which he discussed singer marviga, ose musi 's accused of ripping off. curntly aealing the jury's verdict against him and singer pharrell williams a high ahead, a school gym. a student collapses and stops breathing. no time to spare. we'll tell you who jumped in to save his life, and why. like how you thought you were covered for all this... when you're really only covered for this. hot dog? or how you may think you're covered for this... but not for this... whoa! no, no, oh , oh! ...or this... ...or this. ...or that... talk to farmers and see what gaps could be hiding in your coverage.

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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. they had just seconds to react. here's linzie janis. >> reporter: watch these middle schoolers jogging in gym class, when suddenly 14-year-old skyler 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. price and the school resource officer alternating, applying compressions. >> he actually, essentially, died right there in our gym. he wasn't 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 and implanting a defibrillator in his chest. >> i'd like to say thank you very much, i'm grateful, and god bless you. >> i feel fortunate and feel like i got a second chance. >> reporter: skylar's heroes visiting him in the hospital. >> sklyar looked at us as we were leaving and said, "thank you for saving my life." >> reporter: tonight, grateful they'd brushed up on their life saving skills. linzie janis, abc news. new york. >> so great that had that training. "gma" first thing in the morning, david muir will be righ backere tomorw night. tom llamas in new york. have a good evening. good night.

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anchor: five people including children are recovering after a shooting overnight in the district. of the mourning the loss former wizards coach flip saunders, how is being remembered. getting out of a slump, how the redskins managed to come back to win against the bucs. thousands of runners filled the streets of dcn arlington for the marine corps marathon. here are some of those stories. the new starts now. [captioning performed by the national captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org] anchor: tributes across the nba as the league mourns the loss of ip saunders. ksworth joins us now with a look snders' remarkable career. he touched a lot of lives. in : yes, just sat