dozens killed. and, hacked and harassed. an uplifting story we brought you on this broadcast. then, russian hackers stealing this sick girl's identity, setting up a charity scam. the family's warning, tonight. good evening. thanks for joining us on this sunday. i'm tom llamas. we begin tonight with more than 200 million bracing for extreme cold. windchills well below zero from the dakotas through michigan. a clipper creating dangerous driving conditions across illinois. cars skidding off the highway. record cold expected to push into the northeast this week. rob marciano leads us off. >> reporter: tonight, parts of the midwest getting some of the coldest air to hit the u.s. in years. travel in parts of north dakota, already treacherous. i-94, impossible to see through the blowing snow. that storm, a precursor to life-threateningly low temperatures. icy conditions across illinois, already causing spinouts and crashes on the highways. in chicago, it was colder than in some parts of alaska. the chicago river resembling a skating rink. >> any exposed skin, that's what's terrible. it feels like it's burning. >> reporter: on lake michigan, this steam devil was spotted. and in wisconsin, they're still digging out from last week's storm, with even more snow in store. >> i tried to shovel out myself, and there was no way i could. >> reporter: to the east, icebreakers patrolling niagara falls. nearly 228 million americans bracing for below freezing and potentially record-breaking temperatures this week. >> dangerous temperatures for so many across the country. rob marciano joins us now on the set. walk us through the next few days. >> it will come in stages. in the end, it will affect the entire eastern half of the country. a huge arctic air mass. you see snow reaching across the upper midwest. winter storm warnings, and now blizzard warnings for the leading edge. and chicago, a mess in the morning. tuesday evening rush across the northeast. might see a little bit of snow. here comes the cold. could see a foot just north of chicago. and minus-23, could be minus-50 factoring in the winds in chicago. minus-60 in des moines. take care of pets, keep your kids inside, and wait this out. it will take several days. tom? >> more than 200 million in the path. rob, thank you. and president trump's longtime adviser, roger stone, attacking the fbi. accusing them of gestapo tactics during his arrest. two days after being indicted, stone now signaling a willingness to cooperate with robert mueller. saying he never spoke to the president about wikileaks or russia, or about mueller's investigation. his critics say the evidence against him is right there. here's tara palmeri. >> reporter: tonight, president trump's longtime political adviser, roger stone, denying he ever communicated with trump about russia or the mueller investigation. >> none whatsoever. zero. >> categorically? >> zero. >> reporter: robert mueller indicted stone friday on seven counts including obstruction of justice, witness tampering, and lying to congress. in court filings, mueller paints stone as an intermediary between the campaign and wikileaks. which published hacked e-mails from the dnc. now out on bail, stone, defiant. accusing mueller of trying to intimidate him with the predawn fbi raid on friday. >> they could have called my lawyers and i would have turned myself in. but it was an expensive show of force to try to depict me as public enemy number one. these are gestapo tactics. >> reporter: court documents allege he threatened witnesses. calling one a rat, and sending an e-mail that said, let's get it on. prepare to die. stone offering this explanation. >> i do have a million e-mails, they have been reported, many of them taken out of context in this indictment. but there's nothing to find. >> reporter: mueller claims stone was directed by a high-level trump campaign official. a charge he denies. but stone does not rule out cooperating with the special counsel. >> if there's wrongdoing that i that i know about, which i know of none, but if there is, i would certainly testify honestly. i'd also testify honestly about any other matter, including any communications with the president. it's true that we spoke on the phone, but they're political in nature, and they're benign. >> reporter: while there's no mention of collusion in the latest charges, adam schiff says it's too early to rule that out. >> i would expect, if there's a collusion indictment, it would be the last indictment that bob mueller would seek. not the first. we'll have to wait to see what evidence he produces. >> tara, stone also defended himself about claims that he lied to congress about talking to a witness? >> reporter: that's right, tom. stone claims he forgot that he contacted the witness, even though robert mueller has documents showing that the two text messaged more than 30 times on that day in question. >> tara, thank you. and the 2020 race for president getting more crowded. california senator kamala harris kicking off her presidential campaign with a rally in oakland today. taking direct aim at president trump and the border wall. >> on the subject of transnational gangs, let's be clear, the president's medieval vanity project won't stop them. >> senator harris, part of a field which includes elizabeth warren and kirsten gillibrand. howard schultz considering a run as an independent. some democrats worry he could pull support from their party. next to the frightening scene of a high-speed road chase in massachusetts.iver racing doy with a man clinging to his hood, at up to 70 miles per hour. here's erielle reshef. >> reporter: tonight, that shocking cell phone video of a dangerous road rage incident on a packed massachusetts turnpike. a white suv reaching up to 70 miles an hour with a man dangling from the hood. >> i thought he was going to run over me. >> reporter: the driver, 37-year-old mike fitzgerald, at times appearing to hit the gas. >> i kept telling him, stop the car. stop the car. and he wouldn't stop. >> reporter: horrified onlookers trying to flag him down. the car traveling nearly three miles as a man clings to the gap by the windshield. watch as a man gets out of his vehicle, trying to intervene. another man walking into frame, wielding a gun, ordering him out of the car just as police arrive. police say this stemmed from a minor sideswipe, spiraling out of control after a verbal altercation. the man jumping on the front of the car as fitzgerald drives off. both men arrested at the scene. no one was hurt, but both men now face charges. as for the man with the gun, who coaxed fitzgerald out of the car, police say he owned that weapon legally, and will not face charges. >> erielle, thank you. new developments in the intense manhunt for a suspect wanted for killing five in louisiana, including his parents and his girlfriend. police arresting him 1,000 miles away in virginia, as he pulled into his grandmother's driveway. authorities say his father's last words identified his son as the shooter. here's stephanie ramos. >> reporter: tonight, the manhunt is over for the suspected killer of five people in louisiana. he's now behind bars, suspected of killing his 20-year-old girlfriend, her father and brother, before killing his own parents. police say his father's last dying breath identified his son as the killer. but there's still questions about a motive. >> it's senseless. they died for nothing. >> reporter: authorities say after the killings, theriot drove to virginia, arriving at his grandmother's house this morning. police say she stayed the night at a hotel after warnings that theriot was on his way. >> she called this morning, looking for officers to go by and make sure the house was safe for her to go into. while the officers were there, the individual actually drove by, he drove up into the driveway at that time, had a pistol in his hand. >> reporter: police say he dropped the gun when he was asked to by officers, and was then arrested. >> he was very sleep-deprived, it seemed like. once put into our booking room, he went straight to sleep. >> stephanie, i saw you spoke with the county sheriff there in virginia about this case. what is theriot telling law enforcement? >> reporter: tom, the sheriff tells me theriot made several statements about the murders during his arrest. all of that being used as evidence. he's being held here, and has a hearing scheduled for friday. >> stephanie, thank you. we move to the growing danger in brazil, and the race against time. search and rescue teams looking for hundreds of people reported missing following a massive dam collapse. dozens killed, and authorities briefly suspending the search, fearing another dam was about to break. here's zachary kiesch. >> reporter: the search continues for a second day after conditions complicated the rescue effort for hundreds missing following a massive dam collapse in southern brazil. helicopters swooping in with supplies, and makeshift medical centers examined the injured. 58 are confirmed dead, and more than 300 people are still missing. officials are not optimistic they will be found alive. the search for survivors was suspended for several hours over fears a second dam was at risk of a breach. sirens rang out as 24,000 people in potential harm were ordered to get to high ground. tonight, civil engineers say that dam is safe. the second dam is located about a quarter mile from the first incident, and is being closely monitored. in a bit of good news, some areas previously too wet and unreachable for firefighters are drying out. tom? >> but still so many are missing. zachary, thank you. now to the chaos in venezuela. president maduro accusing the u.s. of leading a coup to remove him from power. meeting with military troops, ejecting an international ultimatum to call for new elections within eight days. the white house backing the opposition leader as interim president, and urging other countries to do the same. mike pompeo telling the world, pick a side. ian pannell is in the region. >> reporter: president maduro refusing to back down. today, trying to prove his strongman credentials. running alongside troops, watching them exercise, and testing their loyalty. yelling, traitors, never. never, they say. he knows loyalty of the military will decide his fate. as he struggles to maintain control, he's now signaling a potential willingness to negotiate. backing down from his 72-hour demand that all u.s. diplomatic personnel leave venezuela. now giving them 30 days. u.s. pressure, unrelenting. today, john bolton tweeting, any violence and intimidation against u.s. diplomatic personnel or venezuela's democratic leader would be met with a significant response. the young opposition leader, declared president by venezuela's national assembly. some call it an attempted coup, but he's backed by several nations, including the u.s. outside church, now urging the of the capital, demanding change. this nation, once one of latin america's wealthiest, moving closer to the brink. already suffering from a humanitarian crisis, thousands fleeing daily. we met this group, tired and tearful. leaving behind a nation suffering from crippling food and medicine shortages. this weekend, mike pompeo telling the international community -- >> now it's time to pick a side. >> reporter: no one knows where this will end. he wants the people to come out on to the streets once again, while maduro is investing in the army. he knows this is where his power lies. tom? an, thank you. world. millions observing international holocaust remembrance day. and the death of 6 million jews. about 50 survivors among those marking the liberation of auschwitz 74 years ago. the anniversary comes amid growing concerns about the rise of antisemitism in the u.s. and other countries. still ahead, twin explosions rocking a cathedral during sunday mass. worshippers running for their lives. what we are learning about that attack. plus, hacked and harassed. the little girl's story going viral. now, online thieves cashing in. and what firefighters discovered deep inside this smoky storefront. the dramatic rescues caught on body cam. we'll be right back. metastatic breast cancer is relentless, but i'm relentless too. mbc doesn't take a day off, and neither will i. i treat my mbc with everyday verzenio, the only one of its kind that can be taken every day. verzenio is the only cdk4 & 6 inhibitor approved with hormonal therapy that can be taken every day for post menopausal women with hr+, her2 negative mbc. verzenio plus an ai helped women have significantly more time without disease progression, and more than half of women saw their tumors shrink vs an ai. diarrhea is common, may be severe, or cause dehydration or infection. before taking verzenio, tell your doctor if you have fever, chills, or other signs of infection. verzenio may cause low white blood cell counts, which may cause serious infection that can lead to death. serious liver problems can occur. symptoms include tiredness, appetite loss, stomach pain, and bleeding or bruising. blood clots that can lead to death have occurred. tell your doctor if you have pain or swelling in your arms or legs, shortness of breath, chest pain, rapid breathing or heart rate, or if you are pregnant, nursing, or plan to be pregnant. common side effects include nausea, infections, low blood cells and platelets, decreased appetite, headache, abdominal pain, tiredness, vomiting, and hair thinning or loss. i'm relentless. and my doctor and i choose to treat my metastatic breast cancer with verzenio. ask your doctor about everyday verzenio. but prevagen helps your brain with an ingredient originally discovered... in jellyfish. in clinical trials, prevagen has been sh to i. prevagen. healthier brain. better life. back now with a little girl whose story of inspiration ended up with her family hacked and harassed. social media thieves cashing in on her identity. the warning for other families tonight. here's marci gonzalez. >> reporter: tonight, the family of this 5-year-old girl, sharing a warning about social media identity thieves. maya was born premature, diagnosed with cerebral palsy. her first steps airing here on "world news tonight." >> i'm walking! yes! >> reporter: but now, her family says they're in an almost daily battle against scammers, using photos and videos from her instagram page, creating new, fictitious accounts. >> they're trying to scam people by saying this is their daughter, she's ill, and they need money for treatment. >> reporter: she says she filed a police report and notified instagram multiple times. instagram says they disabled a number of accounts, and blocked them from creating new instagram accounts. for weeks, with each deactivated account, a new one would pop up. one threatening to only stop creating new accounts using maya's likeness if she paid $30,000. >> it's a pretty sickening feeling to see that as a parent. instagram and facebook have been a wonderful platform for us to share our story. i would hate to see it ruined by not being taken care of in a way that's appropriate. >> reporter: instagram encourages users to report fake accounts. but they say the best way to ensure the content of your page is secure is to make your account private. tom? >> marci, thank you. when we come back, prince philip's apology to the driver he plowed into. what he tells her about the accident. and celebrating the life of a longtime member of the abc news family. we'll be back in a moment. ember of the abc news families. we'll be back in a moment. james r. and associates. anna speaking... ♪ james r. and associates. anna. ♪ [phone ringing] baker architects. this is anna baker. at northwestern mutual, this is what our version of financial planning looks like. tomorrow is important, but you're ready to bet on yourself today. find an advisor at northwesternmutual.com. i was thinking...d clot could there be another around the corner? or could it turn out differently? i wanted to help protect myself. my doctor recommended eliquis. eliquis is proven to treat and help prevent another dvt or pe blood clot... almost 98 percent of patients on eliquis didn't experience another. ...and eliquis has significantly less major bleeding than the standard treatment. eliquis is fda approved and has both. don't stop eliquis unless your doctor tells you to. eliquis can cause serious and in rare cases fatal bleeding. don't take eliquis if you have an artificial heart valve or abnormal bleeding. if you had a spinal injection while on eliquis call your doctor right away if you have tingling, numbness, or muscle weakness. while taking eliquis, you may bruise more easily... and it may take longer than usual for bleeding to stop. seek immediate medical care for sudden signs of bleeding, like unusual bruising. eliquis may increase your bleeding risk if you take certain medicines. tell your doctor about all planned medical or dental procedures. what's around the corner could be surprising. ask your doctor about eliquis. 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"gma" first thing in the morning. david muir right back here tomorrow night. have a great evening. good night. good night. officially enters the race for the white house. >> we learn about her history. the news at 6:00 starts a key figure in keeping the giants in san francisco and getting the stadium now known as orr cal park built has died. >> peter was safe way ceo for a decade. then in 1993, he led a group of investors who stepped in and took over the giants before the team could move to florida. >> he ushered in an era that saw the team reach heights it hadn't seen in decades. live from the ballpark in san francisco. that he helped build and has reaction with the passing. >> absolutely. i just got off the phone with giants president and ceo. who tells me his close friend and mentor died at home in pacific heights today after a courageous battle with cancer. mcgown was 76 years old. he did use to work for safe way. but in 1993, he became managering general partner of the giants and did that for 15 years until 2008. he led the effort to buy the giants which was on the brink of moving to florida. he spearheaded construction of the new park. which was funded through private money instead of taxpayer dollars. which was unusual at the time in baseball. the park opened in 2000. i spoke to