offensive against a heckler. >> if you'll shut up and listen to my answer, i'll answer you. >> so, what set him off? a new republican tag team hits the trail. chris christie and donald trump together. the frenemies now doubling down on marco rubio. >> rubio stole from the republican party. >> the schoolyard taunts. and tonight, the new comeback line. the factory worker coming face-to-face with the gunman, a man he thought was his friend. what that shooter told him right before he opened fire. the new w ncerns about e-cigarettes tonight. they're exploding in pockets, setting cars on fire, and causing serious injury. and, risky business. chris rock getting ready to rock the oscars, hosting in the middle of a controversy. promising a "blackout" is on the way.

thank you for joining us on this saturday. i'm cecilia vega. we begin tonight with that showdown in south carolina. democrats at this hour still voting there. hillary clinton going big in the palmetto state, while bernie sanders has struggled to introduce him there. preliminary polls coming in, take a look. 6 in 10 voters are african-american, that could be a record. all-important group. also 7 in 10 voters want the next president to continue barack obama's policies. voters there have less than an hour, now, to weigh in and abc's david wright starts us off from columbia. david, good evening. good evening, cecilia. with those polls about to close, hillary clinton is planning a big victory party right here in this room. but she and bernie sanders are already focused on super tuesday. today, hillary clinton was in fair field, alabama, looking

>> i'm not going to ask taxpayers to provide free education to donald trump's youngest child. [ cheers and applause ] >> reporter: sanders was in austin, texas, south carolina already in his rearview mirror. >> i think we have a surprise coming for some people on tuesday. [ applause ] >> reporter: the clintons, bill and hillary, have invested heavily in the palmetto state, 23 is the stops here in this past week alone. today, shgs, bill clinton faced a heckler. >> and the thing is that we have four lives in benghazi that were killed and your wife tried to cover it up. >> reporter: things got even messier from there. >> why are you afraid to listen to my answer? why are you afraid. >> no i'm not afraid, because i know you're going to lie. >> don't touch me. >> reporter: sanders has investedless time here.

were plenty of empty seats. >> california -- obviously, i think something like, 20% of the total delegates come from california. 20%. >> reporter: so you're not going anywhere? >> we're going to california! we're off to the west coast, absolutely. >> reporter: today many of the voters said they got history with the clintons. >> he knows something. >> reporter: even sanders' supporters like richard scott say it's the way the wind seems to be blowing. >> hillary will be the one that wins south carolina. but i have to just put my support behind the person i believe in. >> reporter: voting your heart sf. >> voting my heart. >> voting with his heart. david wright joins us now from inside clinton's event in columbia south carolina. david, clinton's camp is feeling confident tonight. they're certainly hoping for that big win. >> they know they're going to win the only question is by how much? some of the polls had them up by

the clinton campaign actually said they stopped e doing their own polls. because they didn't have to >> david, thank you we turn to the republicans. all eyes on super tuesday. just three days away, chris christie campaigning with donald trump one day after that bombshell endorsement. teaming up to pummel marco rubio, but the florida senator is doubling down, branding trump a con artist. but, is it too late to stop the billionaire businessman? here's abc's mary bruce? >> reporter: with his high-profile weapon by his side, chris christie, donald trump unleashed a verbal assault on marco rubio. >> i watched this lightweight rubio -- total lightweight, little mouth on him -- bing, bing, bing. bing, bing, bing, bing. >> reporter: rubio, trying to beat trump at his own game, is hurling personal insults. >> donald trump likes to sue people. he should sue whoever did that to his face. >> reporter: armed with this new line of attack -- >> con artist. con artist.

friends don't let friends vote for con artists. >> reporter: in georgia, at his largest campaign rally yet, rubio called trump a con man more a dozen times. trump pushed back. >> trump's a con man. the last thing i am, folks, is a con man. i built a great business, okay? >> reporter: also under fire, trump university. the defunct school facing a lawsuit. tonight, a new attack ad using that as ammo. >> i paid $35,000 to trump university and all i got was a picture of myself with a cardboard cutout of donald trump. >> reporter: rival ted cruz is piling on, hammering trump for not releasing his tax returns. >> but maybe his tax returns show that he doesn't have quite as much money as he says he does. >> reporter: and trump is also taking aim at the media, threatening to weaken first amendment protections for reporters so he can sue them. >> the media -- the most dishonest human beings on earth,

>> reporter: but his spotters in tennessee aren't bothered by the attacks. all these new attacks we're hearing from rubio and cruz going after donald trump? >> not fazing me a bit. >> mary bruce joins us now. donald trump about to take the stage there. so many endorsements. so much hope for a spot in the white house. is chris christie offering any indications that he's after a new job here. >> chris christie is set to join donald trump here. he has been asked a direct question. cecilia. >> mary bruce on the campaign trail. abc's jonathan karl joins us now. let's talk donald trump, if he comes out ahead,d, is it a done deal? >> no, but it will be close. donald trump can kill off ted cruz by winning the southern states.

fight another day if he has a series of strong of second-place and third-place finishes. his big day will be march 15th. winner take all primary in florida and ohio. if he can win those two states he can still come out on top. >> let's talk democrats, voting still under way in south carolina hillary clinton hoping for a really big win. bernie sanders said he's going all of the way to california. >> if she has a big win in south carolina, she's on a clear path to the nomination. >> all right, jon karl, thank you. stay with abc news for full coverage on super tuesday. with special editions on "good morning america" and "world news tonight" and george and thehe entire political powerhouse team on the air beginning at 10:00 p.m. eastern. we want to mauve on to top stories. that deadly work place shooting in kansas.

facebook showing him firing an automatic weapon at a shooting range. he's accused of turning a gun on a co-worker. here's abc's eva pilgrim with the latest. >> reporter: tonight, a new arrest in the wake of that deadly workplace rampage. 28-year-old sarah hopkins, a former live-in girlfriend of the alleged gunman cedric ford, charged with giving a firearm to a convicted felon. hopkins telling investigators she gave ford her own ak-47 and glock pistol. after their breakup she had taken them back, but later "returned both guns because ford had threatened her." just a month later, ford posting this video to his facebook page, firing an ak-47. [ gunshots ] >> reporter: ford killed 3 of his coworkers and injured 14 more before being killed by police chief doug schroeder. adam miller was trying to evacuate his co-workers when he came face to face with ford.

run, there's a fire and he just looked confused. hi said, know, then shot me. >> reporter: miller, who is still recovering in the hospital, was shot four times. he says he still feels for ford. >> i don't know what he was going through. obviously he felt this was the way out. and so, my heart just aches for him. >> reporter: just 90 minutes before the shooting, ford was served at work with a restraining order to stay away from another ex-girlfriend, who claimed he was "in desperate need of medical and psychological help." cecilia, excel industries remains closed tonight. no word on when the plant will reopen. cecilia. >> thank you. we want to turn overseas to syria, defying all expectations, a seescease-fire holding on for 24 hours. here's alex marquardt. >> reporter: children playing tonight in an empty lot on the edge of damascus. none are from here, all forced

remember. today, this boy told me, they didn't bomb. across syria, the sounds of war all but disappeared. replaced -- for now -- with a quiet that hasn't been heard in years. few believe it will last, but many are praying it does. you're tired of the war? >> my mind and my heart and my baby all are tired of this war. >> reporter: scattered fighting did continue today. members of an aid group known as the white helmets said they rushed to rescue people in northern syria from the assad regime's infamous barrel bombs. but nearby here, in the south, they posted a picture today joking that the cease-fire meant that they got a day off. today exceeded all expectations, and so, even if this fragile can be considered a success, a model to build on that could one country. cecilia. >> alex, thank you. we turn back here at home.

race on a freeway near losos angeles ended in this -- a deadly inferno lighting up the night sky for miles. three people were killed. one of the speeding cars apparently lost control, hitting a big rig, sending the tractor-trailer through the dieder into oncoming traffic. now to a phenomenon, those popular e-cigarettes, some of them exploding suddenly and without warning. here's gloria rivera with one woman's frightening story. >> the car's gonna explode. >> reporter: this frantic 911 call coming in just after an e-cigarette apparently explodes inside this car in naples, florida. >> it's huge. >> yes, it was an e-cigarette. >> reporter: she told she was smoking a modified e-cigarette when it exploded in her mouth, burning her face and damaging two teeth. >> i had char

literally, like, i felt an impact in my face. i saw sparks fly off in the passenger seat. >> reporter: the government saying millions of americans smoke e-cigarettes. so far, more than two dozen explosion explosions. this week, his e-cigarette x exploded in his pocket, he said, causing second-degree murder. another explosion nearly set a bedroom on fire. experts say problems often begin when the device's lithium battery is overcharged. >> have happened during the charging phrase. >> reporter: currently the fda doesn't regulate the health and safety of all e-cigarettes. there's legislation under review at the white house. cecilia. >> glory yo ya thank you. an alleged impostor accused of foolingng an entire pennsylvania high school.

relationship with a teenage girl. abc's kendis gibson has more. >> reporter: tonight, that alleged high school imposter facing new charges. he's behind bars. police say artur samarin, now 23 years old, had sexual relations with a 15-year-old girl in 2014. now charged with statutory sexual assault. samarin has not yet responded to those charges, but earlier admitted from his harrisburg, pennsylvania, jail cell he did scam the system to stay in the u.s. >> i'm here in this prison because i've done a crime. i'm a criminal, unfortunately, but it is true. >> reporter: samarin also saying in 2012 he left ukraine, assumed the alias asher potts, and went to john harris high school every day for the last four years -- >> it's scary. >> reporter: cops say when samarin's visa ran out, he forged documents, including a social security card, to enroll in school. samarin says he was simply trying to escape war-torn ukraine. >> i love the united states.

all of us immigrants. >> reporter: tonight, this alleged imposter is behind bars on $20,000 bond. kendis gibson, abc news, new york. still ahead tonight -- the big shock for one mom. going down the freeway, when her toddler managed to do this. new ways to arm yourself against those high-tech thieves at those atms. what you need to be on the lookout for. i'm savin' you five hundred coming soon from progressive, it's "savin' u," the new hit single from the dizzcounts. cash money the biggest discount and understand... the dizzcounts. safe driver, paperless, paid-in-full, multi-car and joey fatone. savin' you five hundred i'm savin' you five hundred we have auto-tune, right? oh, yeah.

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information with each unsuspecting swipe. >> they just stick it on as they walk by real quick. >> reporter: just this week, police finding skimmers on atms in massachusetts, maryland, and even new jersey. now banks are fighting back. this week, bank of america rolling out its first cardless atms. citibank giving me an exclusive look at how it's tightening security using biometrics. >> the iris scan. it is the second-most reliable marker in your body behind the dna. >> reporter: it may seem silly, but when people are thinking of iris scans, they are going to be thinking of grabbing an eyeball and putting it in front of a machine. that cannot happen? >> that cannot happen. no pictures, no videos, no eyeballs. >> reporter: a glimpse into the future. but until then, how to protect your money? >> this piece right here fits right over the card reader that you'd find on a normal device. if you pull on it at all and it wiggles they should definitely not touch it. >> reporter: authorities say keep an eye out for tiny holes near the keypad, which could hide cameras capturing your pin number. gio benitez, abc news, miami,

and when we come back -- from this. to this. the olympic wipeout by a star on the slopes and what she says about when she will be back. and out of the rubble. you'll never believe what this community was able to pull off in no time flat. after those deadly tornadoes hit their community. choir and harp music. this place, it's the best-kept secret in football since... hey, how did he get in here?! and with toe nail fungus! fight it! with jublia. jublia is a prescription medicine used to treat toenail fungus. use jublia as instructed by your doctor. now that's prime time. most common side effects include ingrown toenail, application site redness, itching, swelling, burning or stinging, blisters, and pain. you ready to fight it? ask your doctor if jublia is right for you. y'know, i look great in purple. you can't predict the market. but through good times and bad... ...at t. rowe price... ...we've helped our investors

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imagine seeing this in your rearview mirror at 60 miles per hour. this 3-year-old climbing right out of that harness, evenflo said nonjuries haveeeen reported. the company has pulled 60,000 of those seats off store shelves. a rough landing for skiing sensation lindsey vonn, just 10 seconds from the finish line at this world cup race when her skis gave way in a sharp turn, a painful wipeout there. vonn did make it down the mountain but not how she planned. that's her on a stretcher. she has a hairline fracture in her left knee. and how do you spell resilience. this ash community in pennsylvania hit hard by this week's tornadoes lost a local school, complete devastation there. well, take a look now. a brand-new school going up, raised in just a single day. and when we come back -- the

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and visit farxiga.com to learn how you can get it for free. all eyes on hollywood. final preparations under way right now for the big show, but with the boycotts and the backlash the big question this year -- will the controversy outshine the glamour? abc's nick watt has our sneak preview. >> reporter: will leo win? how great will george look? most importantly, what will chris say? spike lee, jada pinkett smith, will smith -- all boycotting because of the total lack of african-american acting nominees. but chris rock will be there, hosting. absolutely go there. >> reporter: even before the

hollywood reporter," "it's a white industry." >> and this year, that's what everyone wants to hear, that's what everyone recognizes they have to hear, so, he is sort of perfectly suited for this job this year. >> reporter: last time rock hosted in 2005, he went there. >> it's a great night tonight. we have four black nominees tonight. so great. it's kind of like the def oscar jam tonight. >> reporter: since this year's all-white nominations were announced, he's cancelled all interviews, said nothing. >> chris has been out there, he's been testing his material on audiences at comedy. clubs. i think he's been testing just how far he can go with it. >> reporter: how far? wellllthe show's producers told our own lara spencer, maybe even rock doesn't know yet. >> he's a perfectionist. >> he'll tweak up until sunday night. >> reporter: tweeting this week, "see you sunday. #blackout." nick watt, abc news, los angeles.

the big oscar show airs tomorrow night right here on abc. of course, stay with us as the voting results come in from south carolina. thank you for spending your saturday night with us.

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