Inside the world of Julian Assange, the first video showing how the wikileaks founder lived in asylum for seven years. And living the fantasy. Ahead of its highly anticipated final season, we journey to a reallife setting of game of thrones. Announcer this is nbc nightly news with jose diazbalart. Good evening. Kate snow is off tonight. A dangerous and deadly storm is cutting through much of the south tonight, and its on the move heading north. Stretching from the gulf coast through the northeast. More than 87 Million People tonight are at risk for severe weather. This storm has been relentless since yesterday. Reports of 24 tornadoes tearing through the south. And today, heartbreak. At least six lives lost in the storms. Half are children. One of the hardest hit areas, east texas. Nbcs Tammy Leitner starts us off tonight from there. Wrapped around each other like in a huddle. Reporter as the skies opened up, cecil morgan and his family linked arms and prayed. The roof was gone. The walls just laid out. It was already down. Reporter his grandson 6yearold malachi was scared for his life. The house started moving. And then i was just crying. I thought my mom was going to get hit by the tornado. Reporter cecils home, one of 75 buildings destroyed, when at least two tornadoes pummeled tiny alto, texas. Ive been here all my life. And its hard. Reporter for chief Jeremy Jackson and his police force of five, its personal. Knowing we couldnt protect them. Was out of our hands. Reporter 50 people injured here. 30 miles away, another twister hit. Today, hymns for jase and dylan creel, brothers who died when a falling tree crushed their car. The local pastor sharing the familys heartbreak. Theyre hurting. No doubt. But as i talk to the grandfather this morning, he said god is still good. Reporter nearby, franklin, texas, took a direct hit, too. Devastating this small town. Mississippi wasnt spared either getting hit with tornadoes and heavy rain. In troy, alabama, aftermath from another possible tornado. Back here in texas, as the storms continue moving north, this community determined to rebuild. It will be hard but well make it. Reporter we were here with the homeowners earlier and we have a better idea of the widespread destruction. We just got word of yet another tornado in shelby, ohio. Jose . Tammy leitner, thank you. Dave price has the latest on these storms. Dave . Well, they continue to stretch all the way from Northern New England to the Florida Panhandle marching toward the east. And at this hour, tornado watches posted through ohio, in through west virginia, kentucky, the carolinas down to georgia. And just before air time, posted in sections of maryland, virginia and our nations capital. So we continue to watch that not only into the evening but through the overnight. This area now encompasses 87 Million People in major population areas. Damaging winds, tornadoes and hail all part of this program. And we continue not only to watch this, but a second set of issues over in the midwest. Snow. Lets go to some videotape and show you what its like in chicago this evening. Hundreds of flights, close to 1,000, canceled at ohare and midway airport, and thats just part of the problem. As we head through the overnight, upwards of half a foot of snow falling in northern michigan. An awful end to the weekend and a tough morning commute ahead for millions. Jose . Dave price, thank you very much. Democrats are pushing back to President Trumps idea of sending migrants seeking asylum to socalled sanctuary cities across the country. White house correspondent Kelly Odonnell has the latest. Reporter a destination detour for Central American migrants. A debate ignited by the president who claimed the absolute legal right to relocate apprehended Illegal Immigrants to sanctuary cities. Places where local authorities do not enforce federal immigration laws. Typically in democratic strongholds. President trump, who visited his private Virginia Golf Club today, teed off adding, we hereby demand they be taken care of at the highest level, especially by the state of california. Press secretary Sarah Sanders pulled back to describe the idea as simply an option under consideration. We dont want to put all of the burden on one or two border communities and democrats have stated time and time again they support open borders. They support sanctuary cities, so lets spread out some of that burden and put it in some of those other locations. Reporter seattle is among the nations sanctuary cities. The mayor tells nbc news, migrants are welcome, and the president s words are no threat. We will not let this president demonize people or marginalize them and treat them as if they are commodity to be shipped from place to place. We must deal with this humanely. Reporter but put willingness aside, democrats argue President Trump cannot legally pay for migrant relocation. The president has no right to spend money appropriated by congress for other purposes to ship immigrants all over the country. Hes using the immigrants as pawns in his political game of chess. Hes not really interested in a solution. Reporter and tonight, an unusual kind of rebuke on a separate issue. House Speaker Nancy Pelosi accused President Trump of hateful rhetoric that creates real danger for minnesota congresswoman ilhan omar. Pelosi is demanding the president delete his tweet that links omar, who is muslim, talking about 9 11 to graphic images of those attacks. The speaker says she asked Law Enforcement to assess the congresswomans security and monitor any safety threats she may face. Jose . Kelly odonnell at the white house, thank you. More than 5,000 people turned out in south bend, indiana, to watch that citys mayor officially jump into the president ial race. The question now, can Pete Buttigieg prevail amid a crowded field of candidates . Heres nbcs hans nichols. For a smalltown mayor, Pete Buttigieg has big ambitions. They call me mayor pete. Im a proud son of south bend, indiana, and i am running for president of the united states. Reporter he laid out his vision in three words the principles that will guide my campaign for president are simple enough to fit on a bumper sticker. Freedom, security and democracy. Reporter coming home to south bend after crisscrossing the country and cable tv. If elected, he would be the youngest president , the first who is openly gay. A practicing episcopalian, hes challenging Vice President mike pence both politically and spiritually. If you have a problem with who i am, your problem is not with me. Your quarrel, sir, is with my creator. Reporter buttigieg arrives on the National Stage with a polished resume. Harvard grad, rhodes scholar, Afghanistan War veteran. But with Little National political experience. I would stack up my experience against anybody. Reporter mayor pete, as he likes to be called, hoping to harness the moment and celebrate the countrys progress on gay rights. Are you not hopeful . Reporter walking off the stage with his husband chasten into a campaign that may prove to be difficult. Jose, hes off to new york for an interview tomorrow, but then its back to the midwest. This time, iowa. Hans nichols, thank you very much. Its being call one of the greatest comebacks in sports history. Tiger woods won the masters today. Earning his first major title in more than a decade. Heres nbcs kathy park. Here it is. The return to glory reporter tiger is back. And he did it on the biggest stage in golf. Woods winning at the masters for the fifth time. His first major championship victory in nearly 11 years, bringing fans to their feet. Two shots back from the leaderboard, he didnt start the day swinging, but disaster on the 12th hole for player after player gave tiger the chance to drive ahead. The 2008 u. S. Open was his last major title, and after four back surgeries and personal turmoil, it appeared his career had peaked, which he acknowledged today. You never give up. Thats a given. You always fight. Reporter but on the hallowed grounds of augusta, woods made history again. The first time he shared the moment with his father in 1997, an emotional moment echoed today with his own children, 22 years later. For them to see what its like to have their dad win a major championship, i hope its something theyll never forget. Reporter with his fifth green jacket, tiger is back on par to becoming the greatest of all time. Kathy park, nbc news. Three days after he was hauled out of the Ecuadorian Embassy in london and arrested by british police, were getting an inside look tonight at how the wikileaks founder lived during his years of asylum. Sarah harmon has more. Reporter a rare look inside the Ecuadorian Embassy in london where Julian Assange lived for almost seven years. He took refuge there in 2012 to avoid extradition amidst a Sexual Assault investigation. The wikileaks founder lived in a tiny space within this embassy. In Surveillance Video obtained by a spanish newspaper, hes seen in shorts and a tank top skateboarding, meeting with collaborators and arguing with embassy security. His political asylum granted by ecuador only protected him inside these walls. But outside, british soil and the potential for arrest. That happened on thursday. Looking frail, the 47yearold was dragged from the building by british police. Amid reports he left his small space filthy. Tonight, assange remains in british custody. The u. S. Is seeking his extradition on a conspiracy charge for allegedly helping Chelsea Manning break into a classified government computer. Sarah harmon, nbc news, london. Now to an nbc news investigation. Veterans groups say some forprofit colleges are preying on veterans whose benefits under the gi bill have become a major source of revenue, but are students getting what they pay for . Heidi przybyla reports. Reporter after four tours of duty, Sergeant Anders figueroa was ready for a new career. I was always interested in becoming a cameraman or working in television. Reporter so he googled film schools, met with a recruiter from full Sail University and enrolled. They said it was a top three school, film school in the united states. Reporter we found it was ranked number 50 here, though full sail told us it did rank in the top five on this list 14 years ago. Figueroa says the training wasnt worth it. Like a waste of time. Reporter he is still paying back a 23,000 loan. Taxpayers paid the rest, 46,000 through the gi bill. The va has received 40 complaints about full sail. The school says any dissatisfied graduates can return and audit classes for free. Ashford university is proud of our student veterans. Reporter dozens of other veterans have filed complaints about ashford university. So what we were are sales people. Reporter eric dean recruited veterans for ashford. We were expected to make 100, 150 dials a day. Reporter when they asked about graduation or employment rates. We wouldnt lie, but we wouldnt tell them either. We would just say, well, people go to other schools and drop out, but its up to the individual to be successful in these endeavors like education. Reporter the va says over the last two years, ashford received more than 70 million taxpayer dollars. Ashford said vets make up only 8 of its enrollment and denies misleading prospective students. Certainly they prey on veterans because they know these future student comes with cash, real cash. Reporter California Attorney general Javier Bacera is suing ashford for allegedly making false statements to prospective students. He stepped in because education secretary betsy devos did not. Devos has reversed regulations that reined in the industry. Im not going to tell you the sector is perfect. This sector grew too much, too fast at the height of the recession. Reporter he says his schools dont target veterans and believes forprofit colleges were unfairly singled out by the obama administration. Lets have one set of rules for all schools. Reporter secretary devos agrees and says schools should not be targeted because they are forprofit. As for anders figueroa, he has found a new career, but not in television. Hes now a wind turbine safety instructor. Heidi przybyla, nbc news, washington. At the vatican, tens of thousands heard Pope Francis Mark palm sunday, the beginning of holy week leading up to easter next sunday. Among other things, the pope asked the crowd to pray for peace, and he called on them to accept humility. Still ahead tonight the woman who wasnt there. An inside look at how russian trolls used facebook to influence americans. And living the fantasy. We take you inside the real life world of game of thrones. Were learning more tonight about just how russia meddled in u. S. Politics. A study commissioned by the senate reveals that trolls linked to the kremlin seized on hotbutton issues and used them as a weapon against americans. Richard engel has more. Reporter were only now beginning to understand what really happened after these riots in North Carolina in september of 2016. No peace, no justice reporter the black lives Matter Movement hit the streets after an africanamerican man was fatally shot by police. Were going to continue to protest. Reporter andrew was one of the organizers of that protest. Right after, he got an unsolicited offer of help. This was a facebook request from a human named helen christopherson. Reporter she said he was from an Organization Called black matters u. S. I clicked on their page, and it appeared they had about 400,000 followers. Im thinking that this is a legitimate organization. Reporter his new online friend helped him organize several more protests. But he could never get her on the phone. It was super bizarre. Reporter she couldnt talk because she wasnt real. Helen christopherson was a false persona created by russian trolls with links to the kremlin. Researchers commissioned by the Senate Intelligence committee spent seven months studying their methods. They look at movements that are popular, and then they replicate it. Reporter but the trolls werent just spreading fake news. They were spreading chaos. So the russians saw these protests taking place and decided, we want more of that . Yes, they decided this is divisive and were going to be in the middle of it. Reporter special Counsel Robert Mueller indicted the troll farm behind the operation. But with the 2020 election around the corner, the researchers say the russians havent slowed down yet. Richard engel, nbc news. You can see more of richards reporting when on assignment with Richard Engel airs tonight at 9 00 p. M. Eastern on msnbc. Were back with the marathon man and why just being in the race tomorrow is such an achievement. When runners take to the streets tomorrow for the boston marathon, theyll be joined by a u. S. Secret Service Agent on a special mission. His own road to recovery. Pete williams has the story. Reporter Garrett Fitzgerald was living his dream, engaged to be married and four months into his job as a u. S. Secret Service Agent. His lifes ambition. Riding back from an assignment one snowy december night in 2015, he and his fellow agents were hit headon by a car driven by a man high of heroin. Police later found drugs in the car. I noticed that i couldnt really get up. So i knew something was wrong. You knew pretty quickly on it was a serious injury . Yeah, that was immediately evidence the moment i opened my eyes after we came to rest in the ditch. Reporter the crash paralyzed fitzgerald from the neck down. But that didnt stop him from getting married just 11 days later in the intensive care unit. Now hes in intensive rehab at journey forward in suburban boston. Ive got a lot of right arm movement back and sensation throughout my body. Reporter hes working in the Electronic Crime task force that investigates financial crimes. Hes a father, too. He and his wife joan have a baby girl. He also speaks to students telling them any choices to use opioids have consequences. Its not just the dangers they put themselves in. Its dangers they can put others in, whether they know it or not. Reporter and on monday, another big challenge, competing in the boston marathon. An inspiration. Reporter a fellow agent, don mcgrail, will push him all 26. Miles in a special wheelchair to raise money for journey forward. Garrett carries me through those difficult times. Gives me the motivation. We talk strategy. We work as a team to get through tough times. Reporter Garrett Fitzgerald never gave up, and the secret Service Never gave up on him. Pete williams, nbc news, boston. Up next well journey to a reallife setting of game of thrones. Im guessing that you may have heard that the final season of game of thrones starts tonight. Its a big deal for fans, of course, but also important for a thriving Tourism Industry thats developed around the series. Kelly cobiella went to see it for herself in northern ireland. Reporter in the ancient forest of tollymore, cloaked figures emerge. They come from faraway lands on a pilgrimage to visit the sacred site where the dire wolves first met the house of stark in game of thrones. That one is yours. Reporter theyre called throners, passionate fans. Were living our best game of thrones lives. Reporter this is where it all began. Tourists aiming to experience it in west life with real axes and arrows taught by William Vander kels. Were getting between 25,000 and 35,000 extra people just coming along to do experiences. Reporter its not just for visitors. If you see a guy with a beard, hes probably been in game of thrones. They thought for 25 days with 500 extras. For one of the shows most epic battle scenes. The series has transformed this corner of the world, creating a tv and Film Industry and boosting of the local economy by nearly 280 million over the last decade from the local jeweler who made the crowns very amusing. Reporter to the inn where the cast stayed. Now serving game of thrones banquets. Lifechanging for so many. I will show you the trailer reporter including molly metcalf, tour guide and an extra in the final seasons promo. You love game of thrones so much and it becomes part of your life. But definitely theres a legacy left here now. When you play the game of thrones, you win or you die. Reporter but here the fantasy world lives on. Kelly cobiella, nbc news, county down, northern ireland. And thats nbc nightly news for this sunday. Lester holt will be in tomorrow. Im jose diazbalart. Thank you for the privilege of your time, and good night. From wing. Congressman Eric Swalwell right now at 6 00, from the east bay to the west wing, congressman Eric Swalwell kick okicks off his president ial campaign. Good evening. Thanks for joining us. He officially kicked off his campaign. Reporter today, he was able to spell out his ideas at a rally at the high sl