Week . Good evening. Its great to have you with us on a friday night. We begin with president obama, making it clear who he believes was behind the russian hacking. He said not much happens in russia without Vladimir Putin. And abc news confirming the fbi agrees with the cia, putin directed it. And now, we learn what happened during this moment right here. What president obama says he told Vladimir Putin well before the election about the hacking. Martha raddatz and her questions for the president. Reporter tonight, president obama revealing he confronted Vladimir Putin about the russian hacking face to face in september, warning him not to tamper with the vote on election day. I felt that the most effective way to ensure that that didnt happen was to talk to him directly and tell him to cut it out, and there were going to be some serious consequences if he didnt. Reporter the cia and now the fbi both believe putin himself ordered the hacking of the Democratic National committee and of Clinton Campaign chairman john podesta. I asked the president if he agrees. Just to be clear, do you believe Vladimir Putin himself authorized the hack, and do you believe he authorized that to help donald trump . What i can tell you is that the intelligence that ive seen gives me great confidence in their assessment that the russians carried out this hack. Reporter putin, specifically . Can you not say that . Well, martha, i think what i want to make sure of is that i give the Intelligence Community the chance to gather all the information. But id make a larger point, which is, not much happens in russia without Vladimir Putin. Reporter still unconvinced russia was behind the attack they have no idea if its russia or china or somebody. It could be somebody sitting in a bed someplace. Reporter do these tweets and statements by donald trump embolden the russians . I think that the president elect is still in transition mode from campaign to governance. He still has Campaign Spokespersons sort of filling in and appearing on cable shows. Reporter the president today bristling at republicans for not denouncing russia during the campaign. He says it was clear which candidate russia was trying to hurt. Some folks who had made a career out of being antirussian didnt say anything about it. To help our candidate . Well, come on. Reporter and now Hillary Clinton is speaking out, saying putin targeted her because as secretary of state she spoke out against corruption in russias own elections. Vladimir putin himself directed the covert Cyber Attacks against our electoral system, against our democracy, apparently because he has a personal beef against me. Reporter clinton blames her loss on two, quote, unprecedented events the hacking, and the announcement by fbi director james comey just 11 days before the election that agents were looking over new emails connected to her private server. Swing state voters made their decisions in the final days breaking against me because of the fbi letter from comey. Reporter today, praise from president obama. Ive said before, i couldnt be prouder of secretary clinton, and i dont think she was treated fairly during the election. I think the coverage of her and the issues was troubling. And martha joins us live from the white house tonight. President obama promising the u. S. Will retaliate against russia. Reporter yes, he said it will be a thoughtful and methodical response. Some public, and some of it not public. He said, send a clear message, not to do this stuff, because we can do this to you. Meanwhile, reports their laughing this off at the kremlin saying, show us the proof. Heres brian ross with the evidence so far. Reporter in moscow tonight, a challenge to put up, with deputies for russian president Vladimir Putin, and russian reporters from a kremlinfunded tv network demanding the u. S. Produce any evidence it has implicating russia in the hacking attack. Evidence that president elect donald trump continues to maintain is far from certain. Theyre fighting among themselves, theyre not sure. Reporter but in fact, americas intelligence agencies are sure. Based largely on the forensic evidence the fbi and Cyber Security experts discovered inside the computers of the Democratic National committee. They get in by whats called a spearfish attack. Reporter among the experts on the case, Cyber Security analyst justin harvey, who says the russians first planted whats called a dropper or a beacon to send material back to moscow. A dropper is a little tiny bit of software that calls back home and says, im here, i was successful. Reporter and it had a telltale russian signature. With experts saying it was written in moscows time zone, and seemed to have gaps on what were russian holidays, all entered by a distinctive keyboard. Being used. Reporter and then u. S. Intelligence says the beacon transmitted to an internet address overseas. And it was an i. P. Address that had been previously seen in other russianattributed attacks. Reporter but it wasnt just forensics. The fbi has joined the cia in the assessment that the russian president was directly involved in the attack. Based on new information say comes directly from the kremlin. And brian, they say it was largely to help donald trump. Does this put increasing pressure from the president elect to at least acknowledge this . Yes, with key republicans raising questions about rex tillerson, nominated for secretary of state. Brian, thank you. We turn dangerous cold and the major snow storm from coast to coast. Tonight, the images of the firefighters, and the sixalarm fire. Heres eva pilgrim. Reporter tonight, heavy snow moving into the heartland. Conditions deteriorating, as bonechilling cold invades the country. That arctic air creating scenes like this all along the great lakes. Relentless winds and up to two feet of snow. Outside syracuse, a driver, blinded by whiteout conditions, landing in this frozen creek. She did not survive. In boston, firefighters freezing while battling this sixalarm fire. Breaking out just as families were waking up. Frightened residents scrambling outside, into the 15 degree below zero wind chill. A very stubborn and tough fire. Traveled the length of the building. Weve had significant issues around freezing. Ladders are frozen. We cant get them up and down. Water hydrants and so on. Reporter tonight, nearly two dozen people displaced. In the west, heavy rains sent mud and debris down Los Angelesarea roads. First responders making multiple high water rescues in the state. Including two women and their dogs surrounded by fastmoving waters. David, here in minneapolis, were expecting up to a foot of snow. Officials begging people to stay off the roads. And the real cold, sunday wind chills here could be near 40 degrees below zero. David . Thank you. And ginger zee joins us with the latest. Ginger . Lets get to the 40 states that are included in some advisory or warning. Alerts stretching to arkansas, freezing rain in cincinnati, washington, d. C. You can see snow in the Northern Plains and great lakes. As it moves east, a lot of people will see the wintry change over to rain. Or complete snow to rain. And 25 below, it feels like, in des moines on sunday. Ginger, thanks. In the meantime, we move on to other news, and the images just released inside a Junior High School on lockdown. A 15yearolds parents noticed guns were missing, and raced to the school. Heres matt gutman. Reporter tonight, that new video showing what began like so many of those sickening calls. A 15yearold had fired a shotgun. That officer, wearing a body camera. Police Department Reporter bursting into this Junior High School in bountiful, utah. Running down the halls toward the assailant. But he finds others got there first. The boys parents. Their son pressed against the wall. Is it just you . Reporter these two students were just a classroom away. They pulled him out of the room, and, like, told him to put the gun down and everything. Reporter as the officer cuffs him, you can see his arsenal. The shotgun, the pistol. All of those shells. The boys parents had noticed two guns missing from their home and rushed to the school. Those two parents jumped into action when they noticed their sons behavior changing. Now, hes being charged. David . Thank you. And now american Officials Say a u. S. Navy Research Ship was using a drone to collect ocean data, when a chinese ship sent out a small boat to snatch it. The incident happened in international waters, about 50 miles off the fiphilippines. And 8,000 people have made it out of aleppo, but the 47 orphans are still trapped. Today, its believed they tried to board a bus, but were forced to stop. Still waiting to escape. Now, 20 years after the murder of jonbenet ramsay, a juror speaking out for the first time. Heres amy robach with the interview. Reporter 20 years after the unsolved murder of 6yearold beauty queen Jonbenet Ramsey, we are taken inside the early case againsher parents. Its 1998, and prosecutor alex hunter is convening a grand jury to review the evidence. Those proceedings are secret, and the penalties for revealing testimony or evidence can be severe, even jail time. But one juror, two decades we agreed to alter his voice and show his face in shadow. Before you were a grand juror, what did you know about the Jonbenet Ramsey case . Very little. I saw that there was a little girl dressed up with, in my opinion, a sexual persona, and it disgusted me and i turned off the tv. Reporter that grand jury hearing evidence for more than a year, instructed only to indict if they found probable cause. Was there enough evidence to indict john and patsy ramsey of a crime . Based upon the evidence that was presented, i believe thats correct. Reporter but if the case went to trial, did he believe the ramseys would be convicted . No. Reporter no doubt . There is no way that i would have been able to say, beyond a reasonable doubt, this is the person. Reporter in the end, the grand jury indicted, not for murder, but for child abuse. Finding the ramseys allowed jonbenet to be placed in a situation which resulted in death. In a stunning twist, that prosecutor decided not to move forward with a case against the ramseys, and ten years later, another d. A. Publicly cleared the family. Amy robach, abc news, new york. Thank you. And shell have much more on her special 20 20 tonight. The full interview, 10 00 p. M. Eastern. And theres still much more ahead on world news tonight. The disturbing video just in. The football star punching a woman inside a restaurant, weeks before his bowl game. And shots fired inside a walmart. Holiday shoppers taking cover. And if youre shopping this weekend, the warning to famili s families. Can some popular smart toys make you more vulnerable inside your home . Well explain it all after the break. When you have 7. 95 online u. S. Equity trades lower than td ameritrade, schwab, and etrade, you realize the smartest investing idea isnt just what you invest in, but who you invest with. I have a big meeting when we land, but im so stuffed up, i cant rest. Nyquil cold and flu liquid gels dont unstuff your nose. They dont . Alkaseltzer plus night liquid gels fights your worst cold symptoms. Plus, unstuffs your nose. Oh, what a relief it is. Next tonight here, to your money, and a consumer alert about socalled smart toys. You connect them to the family more vulnerable to hackers if you do so . Heres rebecca jarvis. Reporter theyre some of the hottest gifts this holiday season, but tonight a new warning about socalled smart toys. A Senate Report cautioning that some of the toys, which connect to the internet, can be vulnerable to hacking, compromising Sensitive Information like security questions and birthdates. Last year, a data breach at Vtech Electronics exposed personal information of more than 6 million children. The hacker found a treasure trove of data, including parents names, home addresses, passwords, and as well as kids names, pictures, chat logs. Reporter tonight vtech tells us says theyve since made changes to enhance the security of customer data. And in the last year a Security Firm also found flaws in this fisherprices smart toy bear and hereos gps watch. Both Companies Say the problem was quickly fixed. David, to protect yourself, read the devices Privacy Policy to learn what personal information the toy will collect and be sure to change your default passwo password, right away. Thank you. When we come back, paying tribute to an american hero. And the College Football star seen punching a woman there in the restaurant. And the car plowing into a car waiting on the sidewalk. Well be back in a moment. Foun in my asthma treatment with breo. Oncedaily breo prevents asthma symptoms. Breo is for adults with asthma not well controlled on a longterm asthma control medicine, like an inhaled corticosteroid. Breo wont replace a rescue inhaler for sudden breathing problems. Breo opens up airways to help improve breathing for a full 24 hours. Breo contains a type of medicine that increases the risk of death from asthma problems and may increase the risk of hospitalization in children and adolescents. 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