new video of the arrest of the world's top golfer, scottie scheffler. the officer seen running after his suv. dash cam of scheffler led away in cuffs. and why that arresting officer has now been disciplined. the new email scam. crooks tapping right into your bank account. chances are you've already been targeted. and right after one of the hardest moments of his life, the high school valedictorian's inspiring speech bringing his classmates to tears. >> announcer: this is "nbc nightly news" with lester holt. >> and good evening. i'm tom llamas, in for lester. deadly and destructive severe weather both here and in mexico is where we want to start tonight. in northern mexico, take a look at this. a political rally quickly turning into a triage center, as severe wind gusts cause a stage to collapse, killing at least nine and injuring more than 100. and here at home, tens of millions are at risk of severe storms yet again, as so many americans plan to hit the road for the long memorial day weekend. late yesterday, it was a town in texas. you see it here, hit hard by a reported tornado with much of it destroyed. this after five people were killed in iowa just the day before. and if this wave of violent weather we've been seeing all spring isn't enough, forecasters tonight are warning of an even more dangerous hurricane season, predicting possibly up to 13 hurricanes. an unusual and alarming number. nbc's maggie vespa starts us off. >> reporter: tonight, devastation from america's relentless run of severe weather rippling south of the border. new video showing the chaos at last night's presidential campaign rally in northern mexico, where severe winds brought the event stage crashing down. mexican officials say nine people, including a child, were killed. more than 120 injured. that same system wreaking havoc stateside. video shows an apparent tornado moving through central texas. homes and businesses in the city of temple, including this hotel, ripped to pieces. one house, authorities say, struck by lightning, catching fire. meanwhile, in iowa, the national weather service now confirming three powerful tornadoes plowed across the state tuesday, leveling more than 200 homes. this dramatic video showing the moment rescuers saved a woman trapped under heavy debris, miraculously walking away. what was the noise like? >> five freight trains. and you just heard everything crashing around you. >> reporter: tim worked with a couple whose family confirms died in the storm, dean and pam wiggins, church-goers in their 70s who loved their family. >> you sure never expect someone to go that way. >> reporter: iowa authorities now saying five people were killed. fema's administrator touring the damage today alongside iowa's governor, who's requested an expedited disaster declaration from president biden, and $11 million for cleanup. this after fema last year warned they were running out of money by fall. >> but we are facing another year where we're going to run out of our disaster relief fund. right now, it's looking like it's going to be in the august timeframe. but we are seeing an increase in the number of disasters we're supporting. >> maggie vespa joins us from greenfield, iowa. maggie, i know we've just gotten an update. the national weather service saying it was an ef-4 tornado that hit the area where you are tonight? >> reporter: yeah, tom, exactly, an ef-4, and of course 5 is the highest rating. by the way, an ef-4 packs winds of up to 200 pmiles per hour. and they figure that out by examining damage like this. and by the way, when fema's administrator today saw this damage here, she said no doubt everyone here who needs money to help rebuild will get it. tom? >> maggie vespa surrounded by that destruction tonight. all right, maggie. let's bring in dylan dreyer tonight. no break in sight from this dangerous weather, right, dylan? >> no, not tonight. we have several areas where we're siege severe storms. we want to focus on the area across texas and into oklahoma where we do have tornado watches in effect through this evening. and then as we go into tomorrow, we still have a chance, a bigger chance of strong storms, though a lesser chance of tornadoes. you can see how expansive it is from chicago to dallas. then we go into the weekend. and saturday and sunday, we're going to increase the threat of tornadoes once again. on saturday, it's wichita down into north of dallas. and then as we go into sunday, we have this area that includes st. louis and nashville, where we could see our best chance of tornadoes. tom? >> dylan, i want to ask you about the potential hurricane headline we had at the top there. it could be a record hurricane season? >> yeah, noaa came out with this this morning, and they are actually forecasting the highest number of storms ever. they've never forecast this many before, 17 to 25 named storms expected, mostly because of just how warm the sea surface temperature is right now. >> all right. it could be a busy weather season for our team. we thank you for that. the protests we've seen all spring flared up once again today on both coasts. as congress questioned university presidents on how they've handled protests on campus. tonight, liz kreutz is at ucla, right in the middle of one of those protests. and liz, an intense scene tonight? >> reporter: yeah, tom, that's right. in fact, protesters have taken over yet another building here on campus. this after police forced many of them to leave an encampment they had erected earlier today. all of this timed to the chancellor's hearing on capitol hill over those clashes here three weeks ago. >> out of the way! back up! >> reporter: at ucla tonight, tensions again flaring up over the war in gaza. police clashing with pro-palestinian protesters on campus, after demonstrators erected a new encampment. okay, another encampment has popped up at ucla. you can see the protesters. they've barricaded themselves inside this plaza. there is a row of police here as they stand off with more protesters. that standoff happening the same day ucla chancellor gene block testified on capitol hill about his handling of the protests, seemingly unaware of the new protest forming. >> i should emphasize there is no encampment and have been no demonstrations that are problematic. >> reporter: democratic congressman ilhan omar grilling block over the university's response to an attack by counterprotesters on the pro-palestinian encampment. >> are any of these people in jail? are any of these people arrested? >> lapd is working on trying to identify the people who were assailants that evening. >> reporter: no arrests have been made. this week, the university removed the campus police chief from his position. meantime, at harvard, hundreds of students walking out of graduation in protest of the school's decision to bar some students who participated in pro-palestinian encampments from getting their degrees. >> our freedom of speech and our expressions of solidarity became punishable. >> reporter: back at ucla, the new encampment taken down. but with three weeks left of classes, the debate between free speech and hate speech raging on. >> i want people to be able to freely and safely go to class without being yelled at, without being targeted for their ideological or ethnic or religious identity. >> this is our university, and we're here to say that we will not be intimidated and put into the systematic silencing. >> reporter: liz kreutz, nbc news, los angeles. also tonight, the justice department and dozens of states today sued live nation, the owner of ticketmaster, charging the company has too much control over concerts and ticketing. here is christine romans. >> reporter: a legal battle ahead that could change the way millions of music fans see their favorite artists. the government suing concert giant live nation a year and a half after this. >> i'm not getting tickets. >> welcome to the eras tour. >> reporter: the disastrous roll-out of ticket sales for taylor swift's eras tour. >> i didn't get tickets to the taylor swift concert. >> reporter: at the time, musician miranda hardy shut out from ticketmaster. ♪ ticketmaster is the anti-hero ♪ >> reporter: finally getting a ticket from a friend. >> it's incredibly frustrating to not be able to have a choice on how you're buying your tickets. >> reporter: that lack of choice is why the justice department, 29 states and the district of columbia, are suing to break up live nation. >> we allege that live nation controls the live entertainment industry in the united states is breaking the law. >> reporter: live nation and ticketmaster merged in 2010,and today control 60% of concert promotions in the u.s., about 80% of primary ticketing at major venues, and a growing share of ticket resales. the government calls it an illegal monopoly, selling the tickets, controlling the venues, promoting the events, and managing the artists. also highlighting what it calls the ticketmaster tax. >> ticketing fees, service fees, convenience fees, platinum fees, price master fees, per order fees. >> reporter: live nation's president pushing back today on cnbc. >> we fundamentally disagree with all of these allegations. >> reporter: live nation saying the doj suit ignores everything that is actually responsible for higher ticket prices, from increasing production costs to artist popularity to 24/7 online ticket scalping that reveals the public's willingness to pay far more than primary tickets cost. but for miranda, the status quo is unacceptable. >> i hope they're held accountable. i hope it leads to change. >> and christine joins us on-set. so taylor swift fans have pointed out that tickets are much cheaper in places like europe. they even say it's cheaper to fly there and see the show than to buy tickets in the u.s. why is that? >> you know, that's right. they limit fees in europe, and they also limit how much tickets can be marked up for resale. selling for aboucheck of ticket prices of her tour in lisbon this weekend, shows tickets selling for about $100 each. miami in october, they were two grand. >> $2,000 a ticket. all right, christine romans for us. christine, thank you. also tonight, police in kentucky releasing new video from the arrest of the world's top golfer, scottie scheffler. stephanie gosk tonight with those new images. >> on the left-hand side, straight downwind. >> reporter: scottie scheffler, thein louisville, kentucky, police number one-ranked golfer in the world, teeing off today in fort worth. while back in louisville, kentucky, police released new video of his early morning arrest before the second round of the pga championship on friday. these silent images show scheffler's car apparently being stopped by a police officer, who makes contact with it. an unrelated fatal collision had taken place earlier. traffic was blocked, and scheffler was trying to get to the country club. police say this video is moments after an alleged assault took place against the detective. according to the arrest report, the golf pro tried to drive around traffic and was told to stop by police. it says scheffler refused to comply and accelerated forward, dragging a detective to the ground. that moment was not captured in the video. according to police, the detective suffered from pain, swelling, and abrasions, but the incident was blocked by a bus, and he did not have his body camera on. >> right now -- right now, he's going to jail. >> reporter: louisville police announced the detective bryan gillis has been reprimanded for not turning on his camera. according to records provided by police to nbc news, he has been disciplined six times, including two suspensions for violating department policies. as for scheffler, his attorney responding to the video released today. >> all the evidence that continues to come out just continues to support what scottie said all along. this was a chaotic situation and a miscommunication. >> reporter: the golfer spoke out the day of his arrest. >> can't comment on any of the specifics, but my situation will be handled. it was just a big misunderstanding. >> reporter: scheffler is facing multiple charges, including assaulting a police officer and reckless driving. his lawyer says he will plead not guilty at the arraignment on june 3rd. stephanie gosk, nbc news. all right. we have a new twist in the battle for graceland, after elvis presley's family accused creditors of fraudulently foreclosing on his mansion. priya sridhar joins us tonight. an investigation has been launched, priya? >> reporter: that's right, tom. the tennessee attorney general is launching a probe into this fight over graceland, after a memphis judge blocked a foreclosure sale of the property scheduled for today. the investigation will look into naussany investments, which tried to sell graceland, claiming lisa marie presley used the estate as collateral on a $3.8 million loan she never repaid. but in a lawsuit, elvis' granddaughter riley keough called it a false investment firm, saying they forged her mother's signature to create a loan that never existed. now, no representatives from naussany appeared in court this week, and nbc news has not been able to verify the company's existence. tom? >> okay, priya sridhar for us tonight. priya, we thank you for that. in 60 seconds, the new warning about email scams robbing millions from consumers. how to protect yourself. that's next. consumers. how to protect yourself. that's next. diets and exercise add to the struggle. today, it's possible to go from struggle to cholesterol success with leqvio. with a statin, leqvio is proven to lower bad cholesterol by 50% and keep it low with 2 doses a year. common side effects were injection site reaction, joint pain, and chest cold. ask your doctor about twice-yearly leqvio. lower. longer. leqvio® and i smoked while i was pregnant. this is the view i had of my baby in the nicu. my tip is: speak into the opening so your baby can hear you better. (announcer) you can quit. for free help, call 1-800-quit-now. all right. we are back now with a new alert for you about a phone and email scam. and chances are, you've already been targeted. here is tom costello. >> reporter: debbie casey was at her computer when the email arrived, telling her she needed to act now if she wanted to cancel her $400 geek squad subscription. but she didn't have one. so she called the phone number in the email. that was her first mistake. she got a scammer on the phone who told her to click on an email link. and that may have been her second mistake, though she doesn't know how it happened. within seconds, he was inside her computer and bank account, saying geek squad had refunded her too much money that she needed to return. >> and before i knew it, he'd already sent through zelle $2,000. >> reporter: of your money? >> of my own money, yes. >> reporter: she's hardly alone. new data from the federal trade commission shows americans reported losing more than $660 million in impersonation scams last year. probably, though, a tiny fraction of the real number. >> they're trying to create a sense of urgency. they're trying to make you concerned that you're about to lose money. >> reporter: the most impersonated companies best buy/geek squad, amazon, and paypal. while the most money was lost to microsoft and publishers clearing house impersonators. i get these kinds of scam emails every single day. how should we be acting to protect ourselves? >> never respond to the phone number, email address, a website link that's in the actual message that you receive, because it could be entirely fake. >> reporter: one big flag -- if you're asked to pay with gift cards or cryptocurrency. best buy's fraud detection advice, do not call any numbers or click any links that claim you have an issue with your device. publisher's clearing house says never send any money.ke i was totally stupid. >> reporter: the ftc's if it is not free, it is not legitimate. >> i felt like i was too gullible. it made me feel like i was totally stupid. >> reporter: the ftc's advice, be skeptical of any email saying you owe money. call the real company on a verified phone number, and never transfer money to strangers. tom? >> tom costello with those important tips tonight. all right, tom, thank you. next, it's not just you. home buying is a hassle. nbc news has a new tool showing the areas where it's hardest and easiest to buy. stay with us. with chewy, it's never been easier to get their favorite toy delivered again, come on, let go. and again, and again. good luck. get whatever they love delivered right on time. save 35% on your first autoship order with chewy. 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ask about the power of 3 with ozempic®. a quarter billion dollars of inflation relief money sitting unclaimed. how to find out if some of it finally, after a personal tragedy, the high school valedictorian takingc somehow took the stage at his high school graduation. >> i have one more the stage to deliver one unforgettable graduation speech. shaky, nervous, and still in shock, senior alem hadzic somehow took the stage at his high school graduation. >> i have one more thing to say. i want to see if i can get through this. >> reporter: in his valedictorian speech, he stunned his graduates when he said this -- >> my father died yesterday, may 15th, 2024, and i attended his funeral today, right before graduation. that's why my shoes are muddy. that's why my arms are shaking. because i had to carry him into his grave and bury him. >> reporter: alem's in their last conversation, alem told his father he would graduate number one in his class. father diagnosed with pancreatic cancer just months ago. in their last conversation, alem told his father he would graduate number one in his class. when you told him that you were going to be the valedictorian, could he comprehend that? >> he told me that he was proud of me, and that's the one response he said all day that made sense. and it meant so much to me. like i knew he truly meant it. >> reporter: on the day of the funeral, alem wasn't sure he could even deliver the speech, but something inside told him he had to. >> i had to do it for him. >> reporter: his message to the class, work hard. his dad never got to graduate, but did everything to make sure his son did. >> he was the one who pushed me to succeed academically. and it's true. it really is true. he has always pushed me to succeed. achieve all of my goals, because that's what he wanted. >> reporter: tell me what you saw when you looked out into the crowd. >> i looked out at the audience, and they were all crying. i looked at my sister. she was crying. i am so grateful i was able to touch all of those people with my speech. >> reporter: i don't know if you're a spiritual person or religious, but do you feel like your dad was with you at all or that he guided you? >> i would really like to think that. and i really think he did. i still don't know how i was able the get through it. >> and we thank alem for sharing his story. we thank you for watching "nightly news." i'm tom llamas in new york. have a great night. by baiting homes. one police department on the peninsula is trying to see if it will work. and over there, as fast as i could, when i got there, the mother was climbing out of the vehicle through the top, plus a former marine being hailed a hero. he saved a three year old from a burning car moments before it exploded. we're going to show you the video. it's called the middle class tax refund, and it's our way of getting money back into your pockets to help with everyday expenses. tens of millions in inflation relief, money still sitting around unspent. how to find out if some of that is yours and you only have a couple of days to act and then coming