hundreds of feet long. swallowing 14 cars in a parking lot. ambushed. the xas judge, gunned down in front of her home. police investigating if someone wanted her dead. secret sting. the widespread scandal at one high school, and the sneaky apps that may be on your child's smart phone. how they can be used to hide explicit photos. and, gator wrangr. the 12-foot, 800-pound beast wandering behind a home depot, and thdental hygenist who jumped on the wild animal and took it down. good eveninin thanks for joining us on this sunday. i'm tom llamas. we begin with the race for the white house. the election exactly one year away, and dr. ben carson feeling the heat after being challenged on his past. meanwhile, donald trump, having no problem playing the part. mary bruce with the latest from the campaign trail.

scrutiny into ben carson's past intensifying, and he's pushing back. >> the burden of proof is not on me. >> reporter: first, his campaign clarifying that he was never admitted or even applied to west point, and today, defending his account in his book about a test he took in yale. the "wall street journal" raing questions about whether he was named t most honest student in class. and carson posting this 1970 article from the school paper that sayhe says backs up his story. and another story from high school, saying he shielded a group of white students durg riots. >> anybody, goingng back cades,

that person, i will sit at their knee and learn. >> reporter: donald trump pouncing on the accusations. back to busines today, after some funny business. live from new york, it was the donald being donald. >> i have my talent, money, and especially my good looks. but you know what, they're not bad. >> reporter: trump and carson will meet again in just two days on the next debate stage. and questions about carson's past will likely be raised. and raising $3.5 million in fresh donations from all of this scrutiny. tom? >> thank you. >>next, to the investigation to the downing of this russian passenger jet in egypt.

totonight. and the bodies of some of those buried this weekenend, found with shrapnel. here's brian ross. >> reporter: aviation security officials tonight say there is new evidence it was likely an inside job. that isis recruited someone with access to thramp at the sharm el sheikh airport to plant a mb on the russian jet. with investigators this weekend scrutinizing airport surveillance videos and employee records for a possible suspect. congreman adam schiff is one of eight members of congress to receive a classified briefing on the investigation. isis may have concluded that the best way to defeat airport defenses is not to through them but to go around them with the help of somebody inside. >> reporter: u.s. authorities tell abc news that electronic interceptsts of isisboth before and after the crash, indicated that isis was in communication with someone at the sharm el sheikh airport. >> if this is a bomb by the affiliate of isis in the sinai, isis has now fully eclipsed al qda as the gravest terror threat in the world. >> reporter: as more of the

224 russian victims were buried this weekend in st. petersburg, ofcials said shrapnel wounds were discovered in several of the bodies, another indication that the plane was brought down by an explosive device. on saturday, egyptian officis said the cockpit voice recorder, the cvr, captured a distinct but undetermined noise just before it stopped working. >> a noise was heard in the last seconds of the cvr recording. >> reporter: u.s. experts say it will be possible, and quickly to determine if that noise was a bomb, and if so, where it was placeded. but that hasn't happened yet. and the pace of the investigation has been slow. as of tonight, senior u.s. officials say that fbi experts have not been asked to joinhe investigation. >> hopefully soon we'll kw what the noise was. brian, thank you so much.

back to the states, police louisiana are investigating twoo of theirwn for the killing of a 6-year-old boy. a pursuit that ended in a hail of bullets. phillip mena with the latest on this deadly incident. >> reporter: two louisiana law enforcement officers under arrest and facing charges of second degree murder and attempted second degree murder after an incident that left a father injured and his 6-year-old son dead. >> nothing is more important than this badge that we wear on our uniform. and tonight that badge has been tarnished. >> reporter: investigators interviewing witnesses, examining 911 recordings and body camera footage. >> it is the most disturbing thing i've seen. >> reporter: trying to figure out whated the officers, who were moonlighting as city marshals, to fire their weapons at a vehicle driven by chris few. his son, first-grader jeremy mardis, a p passenger after a pursuit tuesday night.

four law enforcement officers in all at the shooting scene. >> that was my little angel. he would just smile and bust out laughing, at the sky. it was almost like he's talking to god. >> reporter: megan dixon, few's fiance, says she and few left in separate vehicles after an argument at this pool hall earlier at evening. a short time later, she says she saw police vehicles pursuing him. and now, a makeshift memorial, people leaving flowers and balloons at the intersection where the shooting occurred. both officers named in a complaint that is still pending from earlier in the year. as for jeremy, his funeral is tomorrow. now to what some are calling a high-profile hit. a judge, tonight, the troubling question.

did any of the thousands of people that came through her court want her dead? here's ryan owens. >> reporter: tonight, police here in austin believe someone may want her dead. and they have no shortage of potential suspes in the shooting of judge julie casirik. >> at least 1,000 new defendants. not everyone is happy wit that. >> reporter: police say she was shot when pulling into the driveway of her home friday night just after 10:00 p.m. the austin american statesman reports, she was coming home from a high school football game with others in her suv.

or garbage can had been place in front of her kbatgate. then she was ambushed. the judge's colleagues are being warned to watch tir backs. before she became a judge, she was a prosecutor here in austin. so, there may be a long line of criminals with a grudge against this judge. tom? >> ryan, thank you. now to an extraordinary move by a college football team. dozens of players on the university o of missouri team saying they will not play until the president of the university steps down. tonight, their coaches took this photo with the them, protesting how the president has handled racial problems on campus. here's ron claiborne. >> repter: 30 african-american players saying they wonon't participate in any activities

until the president is fired or steps down. and coach gary pinkel saying, the mizzou family stands as one. >> for the first time in decades decades, we're seeing sports lead the way on issues of civil disobedience. >> reporter: tensions on campus have been simmering for weeks. st weekek, protesters flocking to the car of the university president. african-american students protesting white students shouting racial slurs. and protesters say he has failed to adequately address the racism on campus.

saying, racism and intolerance have no place in missouri. tom? the next game is saturday, if played. >> thank you. and a big change from washington that could make children more safe on the way to school. for the first time, the governor is supporting a movement to have a seat belt for every child on the bus. here's marcy gonzalez. >> reporter: crashes like this, sending students flying out of their seats. tonight, prompting an effort from federal regulators. and the head of t theational highway commission asking fofor seat belts on every school bus in the country. the agency says it will save the lives of children. >> i believe my daughter would still be here if she had her

seat belt on. >> reporter: and all states will be required to have buses with seat belts. crash tests by a seat belt producer says that they can keep children safer in rollovers. tonight, no timeline on when new requirements will be implemented. marci gonzalez, abc news, new york. and a frightening incident for customers at an ihop. more than a dozen vehicles swallowed up by a giant hole in the earth, running hundreds of feet. investigators are still sorting out why.

here'sloria rivera. >> reporter: tonight, a car still teetering on the edge, more than a dozen others buried in the mud below. a massive gash longer than a football field tore through this ihop parking lot on a busy saturday night. >> one of the employees ran over to the window and yelllls rthquake. everyone in ihop went into a panic. >> reporter: slabs of pavement cracked open, creating a massive crevice 15 feet deep. remarkably, no one was injured. noah mathis was eating dinner inside with his family. their car parked outside. >> everything was sudden andnd quick. they were slamming their forks down froeating and they were running outside as quick as they could. >> reporter: emergency personnel say an undground drain pipe collapsed. the investigation has not ruled out construction at the newly opened ihop as a contributing factor. diners, grateful to be unhurt, are now hoping insurance will cor their losses after such a dramatic end to a what was supposed to be a normal night

out. gloria riviera, abc news, washington. still ahead tonight, the high school sexting scandal. the app that helps students hide hundreds of racy pictures. and later, a 12-foot gator climbs into a home depot parking lot. and you won't believe who helped wrestle him down. it's a housewife who's in control of the finances. actually, any wife, husband, or human pson can use prprogressivs nameour price tool to take control of their budget. and whe the men do the hard work of making money, she cacan get all the car insurance options her little heart desires. or the women might do the hard work of making money. [ chuckling ] women don't have jobs. is this guy for real? modernizing car insurance with -- that's enough out of you! the name your price tool, only from progressive. where is your husband? you tuck here...

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>> are there adults involved? what's going to happen? >> reporter: officials say it involves kids as young as middle schoolers. the school superintendent says they used smartphone apps to try to keep the p picture hidden. >> it's an app calledhoto vault. >> reporter: it can masshides other apps. authorities say ty have confiscated three cell phones and are w seeking search warrants warrants >> reporter: we have a telephone with several hundreds of images on it.

school to move past the scandal. >> they're just scared. they don't want this situation define them. >> reporter: authorities are considering suspensions, expulsions and some may face felony criminal charges. and authorities here say it could take them more than a month to figure out whether students will face thehese serio charges. and will only file them if absolutely necessary. > and so much more tonight. a mysterious sighting. what is this? an later, how a special needs student became the class super hero. saving a life, something he learned from a cartoon. those stories, coming up. tried laxatives... but my symptoms keep returningng.

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woworld war . now to the hero of the class, a the life saving lesson he learned from his favorite cartoon. 13-year-old brandon williams, he has austism. he noticed his classmate choking. he knew exactly how to do the heimlich maneuver. he learned it from his favorite cartoon, "spongebob squarepants." now to one huge alligator, and the rodeo playing out in a texas parking lot. 12-foot-long, 900 pounds. she's a dental hygenist who works part-time as a trapper. the gator just tosses her off there. >> went out there, and oh, he was not having fun. i took a step back, like, okay, let's try to catch this guy.

>> just hanging o there in the back of a pickup truck. the gator has been moved to a sanctuarary. when we come back, the high school athlete breaking down barriers. the soccer player who had never kicked a football before. why was the football team so eager to recruit her? oh, man. a painful, blistering rash. if you had chickenpox, the shingles virus is already inside you. 1 in 3 people will get shingles in their lifetime. after almost 3 weeks, i just really wanted to give it a shot. you know, i'm not feeling it today. talk to your doctor or pharmacist today about a vaccine that can help prevent shingles. glad i could help you plan for your retiremement. alright, kelly and promise me that you'll try that taco place on south street. and we have portfolio planning tools toelp you manage your ira. yeah, you're old 401k give me your phone.

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late in the season, that is. madison dinninny, added to the team only as the season was running out. why? because she plays soccer, which means she can kick. something the minutemens' coach spotted not long after his regular kicker got injured a few weeks back. >> i'm staring over there saying, "hey, i mean, she's the real deal." i mean, 40 years of coaching, i've never seen a female actually kick an extra point or a field goal in a tackle football game. >> reporter: but on a hunch, he put her on the team and on the field, and boom! madison scored her first extra point. that's her mom and dad. >> it's very exciting. we didn't think we'd get to see something like this in boys' football, but here we are. >> reporter: then she did it again. and again. and a field goal, which led to a win. and the spotlight? ll, dison could live without it. >> it's just nerve-racking. i don't really like the attention, but if that's what breakthroughs are going to get, then i guess i'll do it. >> reporter: and so she did. john donvan, abc news,

washington. >> in one game, she scored six points. not bad for a kicker. "gma" first thing tomorrow morning. david muir will become here tomorrow night.