angriest yet. >> the world trade center came down during your brother's reign. remember that. arctic express. the bitter blast of sub-freezing cold. bone-chilling and dangerous. the whiteouts. the accidents. and the new winter storm on the move. 100 million people in the way. and, deadly stunt? the zooming car. then the fiery accident, killing three young women. did a new social media trend, an app that clocks your speed, encourage the young driver to go too fast? good evening. thanks for joining us on this sunday. i'm tom llamas. we begin with the developing news aft the sudden death of supreme court justice antonin scalia. he was a powerful conservative voice, dedicated to defending

saw as the nation's liberal drift. now, eight justices, often evenly divided on highly-charged issues. tonight, the battle is set. the future and direction of this branch of government at stake. we begin with jim avila in el paso, texas, tonight. >> reporter: justice antonin scalia died behind the drawn curtains of this room. on this ranch in west texas, scheduled to hunt quail saturday. his body diskofcovered when he skipped breakfast and lunch. the high-end hunting lodge and ranch was host to an exclusive group of mostly texan couples.

about noon, toured the property, attended dinner. >> at 9:00 p.m., he said, it's week. i'd like to be excused. >> reporter: others told investigators they heard the 79-year-old justice he had an illness. the doctor in washington told her he'd been ill. the scalia family, his wife, she says objected to an autopsy. and she aeed one was not necessary. >> any signs of foul play could have easily caused, that i asked for an aautopsy.

certificate wl read natural causes, due to his heart stopping. tom? >> thank you. and justice scalia fought hard to defend his positions, but he was able to keep the fight from getting personal. terry moran, closely watching justice scalia in action, and reporting on his legacy. >> reporter: for decades, justice scalia fought to take constitutional law back, he says, to its original meaning. >> to impede change, to make it difficult to change. >> reporter: perhaps his great greatest triumph, his ruling on the right to bear arms. it's not the role of this court

amendment gone. >> we owe no apology whatsoever for bush versus gore. we did the right thing. so -- so, there. >> reporter: he was binding, caustic, clear. he sneered, we should start calling this law scotus care. and he challenged the idea that the court could create a right to gay marriage. >> when did it become unconstitutional to exclude homo sexual couples from marriage? when did it become this? >> reporter: friends with ruth bader ginsberg. >> we agree on a whole lot of stuff.

shorthanded, and sharply divided, 4-4, on things like climate change policies. and tom? >> that leads us to our next story. there's so much at stake, but justice scalia's seat looks to be vacant for a while. president ownbama is vowing to move ahead. here's jonathan karl. >> reporter: the battle lines over justice scalia's replacement on the supreme court were drawn in no time. republican presidential candidate ted cruz tweeting this five minutes the supreme court or scalia's family confirmed scalia had died. "justice scalia was an american hero. we owe it to him, and the nation, for the senate to ensure that the next president names his replacement." less than an hour later, senate

declared, "this vacancy should not be filled until we have a new president." but president obama, who praised scalia as one of the most consequential thinkers ever to serve on the court, made it clear he's ready to fight over replacing him. >> i plan to fulfill my constitutional responsibilities to nominate a successor in due time. >> reporter: election year supreme court confirmations are extremely rare. the last president to nominate and confirm a justice in an election year was fdr 76 years ago. but even then, his party controlled the senate. although scalia became a hero to conservatives and a nemesis to liberals, his own confirmation was entirely uncontroversial. he was approved 98-0. even joe biden voted to confirm him. the battle to replace him will play out in congress and on the campaign trail. it's already happening. >> we should not allow a lame duck president to essentially capture the supreme court in the

>> it is outrageous that republicans in the senate and on the campaign trail have already pledged to block any replacement that president obama nominates. >> reporter: as for who president obama will nominate, he will likely choose a candidate republicans respect. such as merrick garland, chief judge of the d.c. circuit of court appeals, a moderate who has won praise from republicans. jane kelly, confirmed unanimously by the senate as a circuit court judge in 2013. and finally, sri srinavasan, who was confirmed as a circuit judge 97-0 just three years ago and served in the administration of president george w. bush. he would be the first asian justice. >> jon joins us now from the white house. would it make a difference if

judge that has already been confirmed? >> well, the bar for a supreme court nomination is much higher, especially for this one. with the replacement having the potential to switch the balance of power to the liberals. >> and dan abrams is here. what happens in a 4-4 tie in a decision? >> there would be a tie. the lower court decision would stand. but it's not precedent. that means the case could end up coming before the supreme court again. >> and if the court was about to hear a case about shutting down abortion clinics, what happens? >> if they were to split, then the lower court opinion would

the lower court basically sided with the supporters of the law. that would mean it could come to the supreme court at a later date. >> dan, thank you. so many people that knew scalia talking about him tonight. the best way to understand him is to listen to him in his own words. >> a man that has made no enemies is probably not a very good man. >> a conservative maverick, antonin scalia was never one to run away from a fight. bold, brash, poetic in his arguments. >> i love to argue. it may be i am something of a shin-kicker. >> unafraid to speak his mind. >> i'm in the business of enforcing democracy.

debate with each other and voted on it. just as they've criticized my opinions and we've remained friends. >> and never losing his step. >> i will certainly retire when i perceive i'm not as good as i used to be. i've lost a step. >> tonight, justice ginsberg saying, he was a jurist of captivating brilliance and wit. with the rare talent to make even the most sober judge laugh. and it's a blow to the conservative movement, the opening topic at last night's carolina. after that, the candidates moved on to an all-out brawl. cecilia vega with the highlights. >> reporter: in a debate filled with fireworks -- >> i'm sick and tired of him going after my family. my dad is the greatest man alive

[ applause ] while donald trump was building a reality tv show, my brother was building a security apparatus to keep us safe. and i'm proud of what he did. [ applause ] >> the world trade center came down during your brother's reign. remember that. >> reporter: there was one moment of agreement. >> i do not believe the president should appoint someone. >> reporter: the battle to name a new supreme court justice now playing out smack in the middle of the race for the white house. all six gop candidates on that stage calling for justice scalia's replacement to come after president obama leaves office. >> it's called delay, delay, delay. >> i think that we ought to let the next president of the united states decide who is going to run that supreme court with a vote by the people of the united states of america. [ bell ] >> reporter: ted cruz vowing to take the fight to senate floor. >> the senate needs to stand strong and say we're not gonna give up the u.s. supreme court.

over the supreme court coming to a screeching halt, from a cruz/marco rubio grudge match. >> first of all, i don't know how he knows what i said on univision because he doesn't speak spanish. [ speaking spanish ] >> reporter: to the word of the night -- >> when you point to his own record he screams, "liar, liar, liar." >> reporter: hurled at one another no less than 13 times. >> you are the single biggest liar. >> he lied about ben carson in iowa. >> that's another lie. >> reporter: and now the focus turns back to the campaign trail. tomorrow is a day of ex-presidents. george w. bush hits the road for his brother for the first time this cycle, and bill clinton is right here. his very first trip to florida so far this race. tom? >> thank you. and we do move on to the arctic chill and looming winter storm. temperatures well below freezing in the northeast.

the coldest morning in boston in half a century. the time lapse of snow falling in missouri. part of a storm delivering snow, ice, and heavy rain. phillip mena has it all. >> reporter: white-knuckle driving tonight across the midwest. outside indianapolis, multiple pileups injuring at least ten. tonight pennsylvania's i-78 is back open tonight after this massive pile-up saturday, killing three and sending dozens to the hospital. that blast of arctic air sending temperatures plunging to lows not seen in years. >> feels like a razor. >> reporter: new york city hitting minus 1 degree, the coldest day in new york city in 22 years. >> it's, like, whipping you in the back of the head, it hurts! it's like being on a roller coaster. >> reporter: boston even colder -- 9 below -- but feeling

it was brutal. 150 firefighters battling this fire for hours in philadelphia, the water meant for the flames turning to ice, encasing this car. in new hampshire, 40 people had to be rescued from a mountain tram. the temperature there -- 0. and in connecticut, hundreds like tom salimeno and his family left without heat for hours, doing everything they could to stay warm. >> the new heater that we had to go out and buy to help keep this room somewhat comfortable. >> reporter: right behind all this cold, a mix of snow, ice, and heavy rain pushing east way up the coast. a messy start to the week, but the good news is, this storm is bringing with it relief from this bitter cold. tom? >> phillip, thank you. still ahead tonight, a feature on a social media app

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but i only had a salad. it was a buffalo chicken salad. salad. back now with some disturb disturbing questions about one of the most popular social media app. some say it encourages speeding. one family says it's at least partly to blame for a tragedy. >> one car involved and people are still trapped in the vehicle. >> reporter: three young women, their car, slamming into a tractor-trailer filled with herbicide, bursting into flames. the driver and two passengers, killed. philadelphia police, blaming speed. surveillance video showing the girls speeding by moments before the crash. abc affiliate wpvi now reporting investigators are looking into whether the popular app snapchat

gia abgarian was a passenger. her uncle believes it did. >> one friend said she was snapchatting all night. in the car they were showing their speed, how fast they were driving. what they were doing. >> reporter: he says his niece was using a special filter on snapchat which snaps, or records, their speed. a popular trend he believes encourages people to drive fast and share with friends online. >> the fact that that part of the app is on there seems irresponsible. >> if that happened, it helped to kill my daughter. >> reporter: a snapchat spokesperson telling abc news they take distracted driving seriously, including a do not snap and drive warning message when this geofilter is first accessed. gia's family, now warning others. >> i'm not blaming this, but i hope someone gets something om this and puts it down while they are in the car. >> reporter: tom, gia's family is planning to subpoena her final snaps in hopes that it helps give them some closure.

>> eva, thank you. coming up, finishing what a terrorist attack stopped. eagles of death metal returning to paris, determined not to let the terrorists win. and the dramatic hiker rescue, caught on camera.to stop. because you believe in go. onward. today's the day. carpe diem. tylenol 8hr arthritis pain has two layers of pain relief. the first is fast. the second lasts all day. we give you your day back. what you do with it is up to you. tylenol . when you're living with diabetes, steady is exciting. only glucerna has carbsteady, clinically proven to help minimize blood sugar spikes.

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fellow hikers outside of los angeles found the man struggling after the fall. a chopper hoisted the injured man to safety. still ahead, it is valentine's day. the secret to staying in love for more than 80 years. plus, the teen with more valentines than anyone else. the extraordinary ways that some are spreading love. that's next. meant enduring a lot of pain. if ra is changing your view of everyday things orencia may help. orencia works differently by targeting a source of ra early in the inflammation process. for many, orencia provides long-term relief of ra symptoms. it's helped new ra patients and those not helped enough by other treatments. do not take orencia with another biologic medicine for ra due to an increased risk of serious infection. serious side effects can occur including fatal infections.

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and we have the recipe for romance. we check in with some experts. john donvan plays dr. love. >> reporter: the weird prediction made about this day in "ghostbusters ii" 27 years ago. >> according my source the end of the world will be february 14th in the year 2016. >> valentine's day. bummer. >> reporter: she said her source was an alien. whatever. on with the stunts. we have john and ann betar, both over 100 years old and married 83 years, giving relationship advice on twitter. "we hang onto one another. just a few little hugs and we're fine." we have brian and florestina stewart, a small businessman and a phd holder in organic chemistry, making the waffle house their celebration getaway. >> reporter: and we have a high school senior named hayden godfrey. >> i want to make as many people happy as possible. >> reporter: who gave a flower this week to every single girl his high school.

500 bucks. a gesture appreciated by the recipients. >> i just thought it was so cool. >> reporter: and admired by hayden's girlfriend, too. so, note to aliens. we're still here this valentine's day.

>> weelisa raffa eraffa@kcautv.co m snow showers are far east, a few cold rain showers west could make it to our area tonight. otherwise temperatures are much better than yesterday... 15 to 25 degrees warmer. tonight we'll have steady temps and an isolated mix possible. watch for slick spots on the morning. a larger more impactful icy system headed for us monday night then 50s in the 7-day... details next, but first here's jess with your local news!

good evening, happy valentine's day and thanks for joining us... i'm happy valentine's day and thanks for joining us... i'm jess plue. is holding a very to benefit the a- l-s foundation. jess memorial a-l-s benefit concert is happening right now down at the hard rock hotel and casino...and it is a packed house. if you'd like to attend, you must be 21 or older and while there is no cost for a ticket, a donation of $10 to the a-l-s foundation is suggested. four of siouxlands best local bands are performing. a silent auction is also taking place tonight with some great items up for bid... from sports collectables to signed musical instruments. (pause for nats of