Now. Good evening, with surveillance cameras all over airports it was only a matter of time before we would see exactly what happened friday afternoon, when a man opened fire in an airport baggage claim, and were learning more about the suspects background from his own family. Gabe gutierrez begins tonight in ft. Lauderdale. Reporter tonight, this video obtained by tmz reveals the first moments of horror inside ft. Lauderdales airport. As travelers stroll by baggage claim a man calmly walks down the terminal, pulls a gun from his waistband and opens fire. Terrified bystanders duck for cover. How come was he . Completely calm. Completely calm and qualify department. Reporter steve his ace backpack saved his life. A bullet ricochetted and went in my backpack through the small opening, hit my laptop, and went through my backpack. Reporter Court Documents allege 26yearold Esteban Santiago told investigators he planned the attack, buying a oneway ticket from anchorage, though its not clear why he chose ft. Lauderdale. In november, the iraq war veteran was admitted to a Mental Health center in alaska after telling fbi agents he was hearing voices and that the government was controlling his mind, making him watch isis videos. Santiagos brother in puerto rico says the system failed him. Today on meet the press defense secretary ash carter said the u. S. Has not done enough to help veterans deal with Mental Health issues. We keep learning more about how to deal with this kind of illness. We are going to learn more and we need to do more as we learn more, absolutely. Reporter at ft. Lauderdales airport today, long lines and a swarm of security, as cleanup crews work to reopen the area, with t where the rampage unfolded. Federal Law Enforcement sources tell nbc news they believe the gun used in the shooting here was the same one the authorities in alaska had held on and then returned to santiago after he visited the fbi offices there. He now faces the Death Penalty if convicted and hes due in Court Tomorrow morning. Kate . Gabe gutierrez, thank you. The airport attack in ft. Lauderdale comes just as floridas legislature is considering a new law that would allow people to carry guns in the public areas at airports in florida. Many states already allow that, but there is vigorous debate over whether it could prevent the kind of attack we saw on friday. Jacob rascon has more on that tonight. Reporter before any shots were fired at ft. Lauderdalehollywood international, florida lawmakers had a plan they said would make airports safer. More guns. Republican state senator greg stuby proposed senate bill 140 to get rid of socalled gun free zones in his state, including at airports. Federal law prohibits firearms within security checkpoints but states decide what is allowed in other areas of airports. Sheriff scott israel, Whose Department oversees the airport just attacked says floridas rules should not change. You have what we call a lone wolf assassin thats ready to conduct some cowardly, heinous act, theres not much Law Enforcement or anybody else can do about it. Reporter lawmakers should focus on keeping guns away from people with mental illness, the sheriff added. The proposal to allow more guns at airports is divisive as the entire debate over guns. Its too unpredictable, too many uncertainties. Could end up in the wrong hands. If were going to stop this kind of thing weve got to be protected. Reporter different ideas with few proven solutions, as america copes with another mass shooting. Jacob rascon, nbc news, ft. Lauderdale. Authorities in israel say a palestinian man drove a truck into a crowd of soldiers today, killing four of them, injuring 17 more. It happened at a popular area of gentlemen russ leem and tonight israels Prime Minister says there are signs the driver supported isis. Lucy cavanaugh has our report which we warn you may be disturbing. Reporter the terrifying attack was captured on a security camera. Pictured here young Israeli Soldiers lining up for a cultural tour, dozens more stepping off a bus in the background when the truck plows into the crowd and doesnt stop. The driver pulls forward briefly haults and then throws the gear into reverse, terrified people run for their lives as the truck skids to a halt, at sailathe assailant shot dead. This lucky survivor. Translator i stood in front of him and started shooting my entire magazine, he says. In mere seconds this busy promenade was transformed into a crime scene. Paramedics rushing to help the victims, tending to injured colleagues. When it was over more than a dozen people were wounded and at least four Israeli Soldiers were killed. This tour guide witnessed the carnage. I hear my soldiers shouting and screaming and i didnt understand and i am looking behind my soldiers and just seeing a truck that went on the side. Reporter israels Prime Minister on the scene within hours, was quick to link the palestinian driver to isis, suggesting without revealing evidence he may have been inspired by recent attacks in europe. Most recently in berlin, where an isislinked jihadist rammed his truck into a christmas market, killing a dozen people, and nice, over the summer, which left 86 dead. Theres been no claim of responsibility by isis or any other terrorist organization as of yet, but palestinians without any known links to isis have carried out vehicle assaults in the past. Tonight, heightened security across jerusalem in response to this deadly incident. Kate . Lucy kafanov in our london bureau, thank you. We are watching Severe Weather tonight especially in the west where a combination of heavy rain and heavy snow has created the potential for dangerous flooding in the coming days, while parts of the east are still dealing with headaches from a storm there. Steve patterson is following all of it and has our report. Reporter the west coast storm predicted to be the worst in a decade, massive rains on top of a mountain of snow all leading to this. This swollen river in reno like so many rivers up and down the west coast still rising. Residents scrambling to prepare for the possibility of massive floods. I was concerned enough to go get sandbags. I will be sandbagging my home. Reporter Mercedes Whitty lives alongside the river, the sandbags meant to hold back the waters even as the fear of losing everything watches over her. Im hopeful but scared. This is real. This is not something to lightly panic over. Reporter the river is expected to crest well above flood stage later tonight. Further south its snow wreaking half acon traffic along the sierra, nevada. Mammoth mountain pelted with 48 inches of fresh powder forcing the ski resort to close chair lifts for the day. The storm under way with flash flood warnings all over the region, the worst to come. Take a look at the fire hose of moisture pointed still directly right at california. The napa river already at major flooding stage, more rivers are expected to flood as we head through the week because theres not just one storm out there but a series of storms behind them and we could still be talking about rain next week. Reporter and in the southeast . Im tammy leitnor, knorr follnorfolk, virginia, the storm crippling the south an area not used to this type of weather. Today people are digging out trying to make the most of it, but the danger is not over. Frigid temperatures are turning the roads to ice. Reporter back west tonight its preparation around the clock as the storm bears down and the rivers rise. You can see the danger right here in downtown reno. The Truckee River rising several feet in just the last few hours. The National Weather service saying the amount of damage this storm could do all depends on how high the river rises tonight. Kate . Dramatic, Steve Patterson thank you. This will be a big week for president elect donald trump, and the people he has named to his cabinet, many of them preparing for tough questioning at their confirmation hearings this week. We get more on that from ron allen. Reporter starting tuesday, marathon confirmation hearings, a parade of noment knows, some with billions in wealth, democrats probing for explosive revelations. The American Public must make sure there are no serious conflicts of interest that will undermine us overall. Reporter Jeff Sessions from alabama for attorney general, tough views on civil rights and immigration. On wednesday rex chillerson former exxon mobil chief up for secretary of state, once honored by Vladimir Putin for his Corporate Oil deals. Election hacking likely on at gen ka. Top trump aides still clarifying the boss position. Hes not denying that entities in russia were behind this particular hacking campaign. Reporter democrats charging mr. Trump with ramming his cabinet picks through congress, as government ethics watchdogs express great concern about incomplete background checks, ongoing tensions since november revealed an email obtained by msnbc and the James Madison contract. The ethics chief complains to the president elects team. The office of government ethics which is nonpartisan has always done a thorough vetting of cabinet nominees before theyve had a hearing. Reporter republicans rejecting calls to slow down. We need to sort of grow up here and get past that. We need to have the president S National Security team in place on day one. Reporter mr. Trump is going to hold a press Conference Wednesday his first since he was elected saying hell take questions on his businesses, hadis presidency and perhaps so much more. Ron allen, nbc news, new york. And once donald trump takes office, 12 days from now, he will have the power to instantly undo many of the policies president obama put in place through executive orders, actions that dont require approval from congress. Pete williams has more on that tonight. My first christmas. Reporter when claudia quiknowns was 11 she and her mother came to the u. S. As tourists from bolivia, but never went back, remaining illegal he will. Now a student at the university of maryland she worries she might have to leave. I worked hard since i was 11 years old to could well and succeed and achieve my american dream. Reporter shes among the 740,000 young people who came here under age 16 and were allowed to stay because of an order signed by president obama, one that donald trump has said he will revoke. Exactly what hell do isnt he will clear. He told Time Magazine hell work something out thats going to make people happy and proud. Hell likely undo another obama order yet to be enforced that would allow adults to remain if they have children who are u. S. Citizens. We will immediately terminate president obamas two illegal executive amnesties, in which he defied federal law and the constitution. Reporter mr. Trump will probably end or vastly scale back the program for admitting refugees from syria, citing security concerns. Other likely reversals . Ending the obama plan to close the u. S. Detention facility at guantanamo bay, cuba. That would keep it open for detaining suspected terrorists, to help the coaltry, revoking or ending support for obama orders on climate change, including tougher pollution limits. On the transgender issue, withdrawing an Education Department letter that advised the nations Public Schools to let students use bathrooms matching their gender identity. The Trump Administration could also pull the plug on the federal governments lawsuit against North Carolina over its bathroom law, which has cost the state millions in lost revenue because of boycotts. Mr. Trump also says he will immediately require those who work in his administration to agree that they will not lobby the government for five years after leaving public service. Pete williams, nbc news, washington. Still ahead tonight, dealing with the growing crisis within a crisis. The growing crisis within a crisis. Babies born the growing crisis within a crisis. Why pause an spontaneous moment . 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Insulins, including toujeo®, in combination with tzds thiazolidinediones may cause serious side effects like Heart Failure that can lead to death, even if youve never had Heart Failure before. Dont dilute or mix toujeo® with other insulins or solutions as it may not work as intended and you may lose blood sugar control, which could be serious. Toujeo® helps me stay on track with my blood sugar. Ask your doctor about toujeo®. As the country struggles with the growing epidemic of addiction to heroin and painily canners the number of babies born to addicted mothers is also soaring acording to a new report, beyond the challenges of treating infants for withdrawal, the hospital costs are more than 20 times higher than for other newborns. Morgan radford reports from one state at the center of the crisis. Reporter six weeks ago baby cross was born, addicted to drugs. Her little legs would jerk and her little hands would jerk. Reporter her mother, abused pain pills for seven years, and then got pregnant. When you see what you caused this little innocent angel to have to go through, it really is a big eye opener. Reporter according to a recent study, every 25 minutes a baby is born suffering from opiate withdrawal. Thats one in every hub american babies, a number thats grown 500 in 12 years especially noticeable in rural areas. West virginia is on the front lines of the opioid epidemic. In fact the number of babies born here addicted to drugs is almost five times the national average. The local hospital even had to open an infant detox ward. So youve got 22 babies in need but you only have 15 beds . Thats correct. Reporter the problem is so bad the community opened a separate center where mothers, mostly addi addicted to heroin, can send their babies to detox after giving birth. Theyre mostly babies from rural areas and theyre typically white babies that just their parents have, for whatever reason they have gotten into the addiction that they are in. Reporter danielle utt brought her baby here, after a friend turned her on to heroin. She was like hey, yeah ive got heroin, its the same thing as a pain pill. Just cheaper. Reporter soon she was shooting up five times a day, until she got pregnant with her third child, skyler. Its the worst thing ive ever seen in my life, watching your baby go through that, knowing like that its your fault. Reporter now shes on the road to recovery. Joining a nation of mothers in need of hope and help. We had a really rough start, but its going to get better. Reporter morgan radford, nbc news, huntington, west virginia. When we come back, we switch gears, well go to live to the red carpet as go, go [ rock music playing ] have fun with your replaced windows. 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