With scott pelley. Pelley this is our western edition. The year begins with another mass shooting in america. The scene this time, a busy airport in south florida. Without saying a word,a gunman opened fire early this afternoon at a baggage claim area at Fort Lauderdalehollywood international airport. 13 people were hit. At least five of them have died. A suspect surrendered. He is identified tonight as 26yearold Esteban Santiago, a former Army National guardsman. He had flown to Fort Lauderdale on Delta Airlines from alaska, via minneapolis. A local official says he removed the weapon from a case that he had checked. Federal sources tell us that two months ago, santiago walked into an alaska f. B. I. Office, and the agents there were so concerned about what he was saying, they sent him to a mental hospital. David begnaud is in Fort Lauderdale and begins our coverage. Th reporter this cell phone video captures the moments after laots rang out at the baggage claim area in terminal number 2 of the Fort Lauderdale international airport. A lone gunman opened fire on passengers, leaving five people iad and eight injured. Some of the wounded found shelter outside while they waited for help. N ndreds more ran for safety onto the tarmac and airport roads, taking shelter near cars and up against buildings. Everybody took off, and they said they said a shooter. I mean reporter eyewitness mark lea eps 10 feet away from the gunman. He, like i say, just walked into the door, did not yell, did not scream, just started shooting. We thought at first it was firecrackers, and then we kealized it was actually gunshots. Nsd by that time people were lelling and screaming and frantically trying to get out of any door they could, hide under chairs, or under luggage, or anything else to get out of the line of fire. I heard a lady yell for help and then i saw people running,. Nd i just ran. Reporter the shooter has been identified as 26yearold Esteban Santiago from anchorage, alaska. According to officials, he was carrying a military i. D. Eyewitnesses say the gunman ran out of ammunition and laid down caen the police came and arrested him. One Broward County official is reported as saying the gunman was a passenger on an incoming flight. He retrieved his luggage at the baggage claim, walked into the lorport restroom, loaded the enn, and then opened fire. Fort lauderdale sheriff scott israel we have the shooter in custody. Hes unharmed. No Law Enforcement fired any shots. The subject is being interviewed by a team of f. B. I. Agents and Broward Sheriffs Office homicide detectives. Reporter about an hour after the initial shooting, there were. Eports of more gunfire. Police moved in and people took off running yet again, but those nnports were unfounded. There was also a bag found near a set of Railroad Tracks that was detonated, but, scott, were told that bag is not connected to the gunman. Nectif it looks really quiet behind me at the airport, that he because the air space is closed. No flights in or out of Fort Lauderdale right now. Pelley and the full details on all of this overnight on cbs nd t morning tomorrow. David begnaud, thanks very much. Josh elliott has latebreaking information about the suspects background. Josh, what have you learned . Reporter scott, heres what we know. Investigators say that Esteban Santiago has no known connection to terrorism, and that the 26yearold new jersey native got into an argument on one leg of his travel from alaska to florida. The motive remains under investigation. Cbs news has also learned that s o months ago, as you mentioned, santiago walked into an f. B. I. Office in anchorage, alaska, claiming that his mind was being controlled by the c. I. A. And the u. S. Government, fod that he was being forced to watch isis videos. Anchorage police, in a followup to that f. B. I. Encounter, later annt santiago to a hospital for psychiatric evaluation. Santiago also has a long military history. He deployed to iraq in 2010 and was a member of the alaska Army National guard, scott, until august of last year, when he was discharged for unsatisfactory performance. Pelley josh elliott covering the story all afternoon. Josh, thank you very much. We spoke earlier today with a witness to the shooting, mike obarobinsky. He and his family were returning from a cruise. Pelley there was nothing to stop the shooter from doing what nt did. Our transportation correspondent kris van cleave has the latest on gaps in airport security, 15 years after 9 11. Reporter investigators believe the gun used in the baggage claim shooting was checked as luggage, something the t. S. A. Allows, but requires the gun to be unloaded and locked in a case. I, and ammunition, must be disclosed to the airline prior to checking. Scnce 9 11, airports have seen a dramatic increase in security, int many parts of the terminals, like checkin and baggage claim, ane outside the secured area and remain vulnerable soft targets. Ron hosko is a former assistant director of the f. B. I. E one of the great challenges a s soft target is its like squeezing a balloon, and where i cughten up my security in one place, the balloon expands somewhere else, and presents geself as another soft target. Ys reporter and he says securing areas like baggage elaim in every airport would be a multibilliondollar investment. We have to put it in that broader perspective. O ure more likely to die in a car accident on your way home than to be in a terrorist strike at a u. S. Airport. Reporter immediately after the shooting, airports across tre country increased security. Rpat includes airports in the new york city area, miami, and los angeles. Scott, the l. A. X. Police chief said theyre going to look at Lessons Learned from fort omuderdale to see what kind of changes they can make in l. A. To make the airport safer. Pelley and were told, during the shooting, some passengers were told that the safest place to be was on their airplane, and they stayed on the planes for hours. Kris van cleave for us tonight. Kris, thank you. In another major story tonight, u. S. Intelligence has concluded that russian president Vladimir Putin ordered his military to help donald trump win the election. Today, the director of national k telligence took the unusual step of releasing an unclassified version of an investigation that details computer hacking, propaganda, and fake news articles. President elect trump was briefed on the classified report today, but he concluded that the hacking of sensitive Democratic Party files had no effect on the election. Homeland security correspondent jeff pegues is following this. 5 reporter the 25page report rates directly that russian president Vladimir Putin ordered an influence campaign in 2016 aimed at the u. S. President ial election. It started as a grudge against hillary clinton. Putin blamed the former y ofetary of state for inciting ross protests in russia against his government in 2011. Payback was Information Warfare that was multifaceted. It included Twitter Campaigns, propaganda, and fake news, and the hacks of state and local electoral boards and the Democratic National committee. Todays report was a declassified version of a longer report that was shared with president obama and president elect trump. That classified document pr detailed intercepts of russian officials congratulating each other on Donald Trumps victory. It also identified the russian actors who gave stolen data from democratic officials to wikileaks. Orvestigators point to the close relationship between wikileaks founder Julian Assange and the ssssian news network rt, which airs in the u. S. The report says a Russian Media executive went to london in 2013 and met assange in person. U. S. Intelligence says rt and wikileaks have collaborated several times since. As mr. Trump became the g. O. P. Nominee, the nature of the russian activities changed. Theres nothing i can think of that id rather do than have russia friendly, as opposed to the way they are right now. Reporter u. S. Officials believe putin and the russian government developed a clear preference for him, and then aspired to help president elect trumps election chances. But the kremlin still believed clinton would win, and it already put together a Twitter Campaign with the hashtag democracyrip, to discredit her victory. Late today, the department of Homeland Security declared election systems to be Critical Infrastructure which will give the agency greater oversight ber their cybersecurity. But, scott, no one believes the russian attacks compromised the vote tally. Pelley jeff pegues in the washington newsroom, jeff, thank you very much. Mr. Trump was briefed today by the directors of National Intelligence, the f. B. I. , the c. I. A. , and the National Security agency. Jan crawford has that. Reporter calling the briefing with top intelligence officials constructive, donald trump acknowledged russia, china, other countries, outside groups, and people are continuously trying to mount cyberattacks against the u. S. , but he declined to say whether at accepted the Intelligence Communitys conclusion that Vladimir Putin directed the getack. On thursday, director of National Intelligence james clapper, who is among top officials briefing mr. Trump, stopped short of saying the hacks had an impact on the elections outcome. Certainly the Intelligence Community cant gauge the impact it had on choices the electorate made. Theres no way for us to gauge that. Reporter in a statement, mr. Trump was adamant. There was absolutely no effect on the outcome of the election, including the fact that there was no tampering whatsoever with voting machines. The briefing came as mr. Trump for weeks has cast doubt on the Intelligence Community. They have no idea if its russia, or china or somebody. It could be somebody sitting in a bed someplace. Reporter before the meeting, which lasted nearly two hours, he told the New York Times he selieved the intense focus on n e russian cyberattacks was a ntlitical witchhunt by his opponents to undermine his presidency. They got beaten very badly in the election, mr. Trump told the times. Thhey are very embarrassed about it. Vice president elect mike pence was also in the meeting. Were going to take aggressive action in the early days of our new administration to combat cyberattacks and protect the security of the american people. Reporter now, despite his public criticism, mr. Trump also said today, scott, that he has tremendous respect for the work and service done by the men and women of the Intelligence Community. Pelley jan crawford for us y jght. Thank you very much. During the campaign, mr. Trump also said that he would stop orcigal immigration by forcing mexico to pay for a wall. But today, it appears mr. Trump expects american taxpayers to pick up the tab first. Nancy cordes has that. We will build the wall 100 . cheers reporter it was perhaps his most memorable campaign promise, uttered hundreds of times on the trail. And, who is going to pay for the wall . Mexico they may not know it yet, but the answer is mexico. Reporter but today, mr. Trump appeared to acknowledge that americans, not mexicans, would likely write the check, peaiming, any money spent on building the great wall, for sake of speed, will be paid back by mexico later. Its the latest campaign reversal for mr. Trump, who has also backed off vows to ban muslim immigration, create a Deportation Force because youd be in jail. Reporter . And prosecute clllary clinton. I dont want to hurt them. Theyre good people. I dont want to hurt them. U reporter the wall came up today because g. O. P. Lawmakers are looking at reviving a 2006 law that authorized but never funded a 700mile border barrier. Cost estimates range from hundreds of millions, to more than a billion. Indiana republican luke messner. Listen, its big dollars, but if this is a priority for our country, then we should fund it. Reporter on cbs this morning, trumps senior elviser, kellyanne conway, insisted theres been no flip flop. And if congress is trying to find different ways to fund this project, that is a top priority to president trump, then they should do that. Reporter it was never totally clear how mr. Trump planned to force mexico to pay for a wall it doesnt want. Its even less clear today, scott, how he could compel mexico to repay the United States after the wall is already built. Pelley nancy cordes on capitol hill. Still ahead on the cbs evening news, Steve Hartman on the arad. Plus, an emotional goodbye from ge first lady; and, old man ldnter threatens a rough weekend. Has been a struggle. I considered all my options with my doctor, who recommended oncedaily toujeo®. Now im on the path to better blood sugar control. Toujeo® is a longacting insulin from the makers of lantus®. It releases slowly, providing consistent insulin levels for a full 24 hours, proven full 24hour blood sugar control, and significant a1c reduction. And along with toujeo®, im eating better and moving more. 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May i say for the last time officially, welcome to the White House Reporter first lady Michelle Obama fought back tears today as she offered a closing message to americas youth. S so dont be afraid. You hear me . Young people, dont be afraid. Be focused. Be determined. S go to College Reporter she touted her erogram for secondary education, one of the many initiatives she launched. As she danced her way through latenight tv to tackle childhood obesity. Turnip for what . Reporter . Promoted Healthy Eating on social media. Okay, you guys count. Three, four, five reporter . And used her relebrity to inspire physical fitness. Michelle obama didnt want her husband to run for president , and had a rude political awakening when she was criticized as angry and unpatriotic for these comments in 2008. For the first time in my adult lifetime, im really proud of my country. Reporter seven years later, she talked openly about that criticism, as the first African American first lady. Was i too loud, or too angry or too emasculating . Reporter but mrs. Obama turned into the democrats not sosecret weapon, and last year delivered a blistering takedown of donald trump after video showed him bragging about sexual assault. This is not normal. This is not politics as usual. cheers and applause nd reporter she and her husband now leave the white house to mr. Trump. Being your first lady has been the greatest honor of my life. And i hope ive made you proud. Thank you applause reporter but today, mrs. Obama said, shell always hold on to the power of hope. Julianna goldman, cbs news, the white house. Pelley coming up, millions in the path of winter storms. Ive been on my feel all day. Im bushed yea me too. Excuse me. Coming through ride the gel wave of comfort with dr. Scholls massaging gel insoles. Theyre proven to give you comfort. Which helps you feel more energized. All day long. I want what he has. If you could see your cough, youd see just how far it can spread. 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