United states she knows clearly. A College Homecoming part crashes to a close as the floor suddenly collapses. And we go inside operation find and fix, a new program to repair or replace potentially deadly air bags. And good evening im tony dokoupil. Deception and lies, President Trump is now using those words to describe odd saudi arabias evershifting story about the killing of jamal khashoggi. Still the president is not ready to accuse of Saudi Crown Prince of any involvement in the death of the dissident jowrnist. Nicole killion is at the white house. This is a mission take, this say criminal act. New surveillance evidence shows khashoggi entering the consulate in turkey where they claim he died any a fist fight with agents, today Saudi Arabian foreign minister told fox news it was a rogue operation and those responsible would be punished. There obviously was a tremendous mistake made and what compounded the mistake was the attempt to try to cover up. But the foreign minister says he does not know where khashoggi bod see is and rejected involvement from crown prince mohammad bin salman. We are not aware of this. Today britans germany an france pushed back against the king 2k078 issuing a joiptd statement pressing for clarification of exactly what happened. In an interview with the cash ton post President Trump again refaased to say if he believes the crown prince is behind the journalists death but told reports ers he plans to talk with him. He will be speaking to him, soon, very soon. Some key u. S. Lawmakers are not ready to take the saudis at their word. Do i think did he it . Yeah, i think he did it. Lets finish this investigation. The crown prince has his fingerprints all over. This and the fact that he is heading up the investigation makes it totally incredible. Saudi has got a lot of explaining to do and i think everything should be on the table. Lawmakers are demanding the president punish saudi arabia. So far mr. Trump ve fusing to cancel a major arms sale but they consider sanctions. Meanwhile turkey says it plans to release details of its investigation this week. Tony . Dokoupil nicole, thanks. Russia is firing back at President Trumps new threat to pull out of a landmark Nuclear Weapons treaty. One russian official warns breaking the pact would be a very dangerous step. Heres roxana saberi. As words about a new arms race between the u. Snd russia intensified the three decade old treatee requiring the two countrying to eliminate missiles like these could be coming to an end. Russia has not, unfortunately, honored the agreement so were going to terminate the agreement and pull out. After a rally in nevada saturday, President Trump said he wants to withdraw from the agreement unless russia and china which isnt a party to the pablght, comply. If russia is doing it and if china is doing it, and were adhering to the agreement, that sun acceptable. The treaty was signed in 1987 by president ronald reagan, soviet leader Mikhail Gorbachev t bans the u. S. And soviet union from possession, producing and test flying ground launch missiles with a range of around 300 to 3400 miles. President trump can pull the u. S. Out of the pact unilaterally but some lawmakers will you cluing rand paul say it is a bad idea. I think it say big, big mistake to get out of this historic agreement that reagan and gorbachev signedded. Senator corker suggests the president s announcement could be a negotiating tactic. Maybe this is just a move to say look f we dont if you dont straighten up, were moving out of this. And i hope thats the case. Since 2014 the u. S. Declared russia in violation of the treaty by developing prohinted weapons. Russia denies that charge and accused the u. S. Of breaching the agreement. National security advisor john bolton is in moscow to discuss the treatee while americas european allies appear split on president trurps proposal. Germany has expressed concerns that britans defense secretary told the Financial Times that his country stands quote absolutely absolutely resolute with the u. S. Tony . Roxana, thanks,. Dokoupil a car van of my grants is now about 5,000 strong and on the move again after being blocked the next owe corn border. They are concerned to make it to the u. S. To seek asylum des pait President Trump warning that they will be turned away. Adriana diaz is traveling with them. Are you tired . Si. Are you hungry . Si. We found karan lanza and her two young daughters resting ahead of the caravan. She said so many people have been helping them here that they are eating more here than in honduras. The caravan sm coulding right now. They were overtaken by a sea of pie grants, streaming from mexicos southern border heading north. Most are from honduras, fleeing poverty and gang violence. Karan scanned the crowd for her son walking separately with friends. Once they reunited he couldnt go on. Its been a grueling ten days for this family to get to this point. Do you know where you are going. Estadounidos. The united states, show knows clearly. Do you know why . Mi mama. Your mama wants to go. Under black hawk helicopters, those who could scrambled on to trucks but most were on food. Whose child . Like these men traveling with a baby. They have diapers, they have milk. That people have been helping them who has been helping you. They got a lot of help and here they have gotten a lot of help. Why did you decide to come with your daughter t is so dangerous . He says to give her a better life. This is what we have been hearing over and over again, that people simply have no joyce. They say they have no option. I have heard the word necessary. People have just said it is necessary. This is a necessity for us to do this. One woman told me i dont want to leave home who in their right mind with want to leave their home but this is a necessity for the survival of myself and my family. Tony . Dokoupil adriana, thank you. A wave of deadly terror attacks did not stop 4 Million People from voting this weekend in afghanistan. Nearly 200 attacks including suicide bombings left more than 50 people dead. The results of the parliamentary elections are still being tallied. A rafting adventure in costa rica this weekend ended in tragedy. Four american men and their guide were killed when their raft flipped in a fastmoving river. The americans all from florida were celebrating an upcoming wedding. A Police Officer was shot and killed this weekend near snelville, georgia. Investigators say 30 year old officer antwan toney was gunned down when he con fronted two teenagers parked in a car near a middle school. One of the ten agers is under arrest. A Clemson UniversityHomecoming Party came crashing to a close last night when the floor suddenly collapsed. Tanya rivero has the dramatic video. This cell phone footage shows the moment the floor collapses. And captures the chaos and destruction when dozens of party goers plunged to the floor below in a massive crush of bodies. The floor broke, the floor broke. Im jumping i had my hands up in the air and next thing all i could see was feeling myself falling like this, and i wake up because i blacked out and i see girls everywhere with bloods all over their face. It started as a homecoming celebration, organized by the kappa alpha psi fraternity. But early sunday morning the thumping musk of a private dance party in the clubhouse of an apartment complex near the university had revelers jumpg a. Within the literal floor fell. That proved too much for the floor. The fact that you see big Football Players in there, crying and stuff like that, cuz they messed up, asking for help and stuff, yeah. Thats something i dont wush on anybody. Reporter at least 30 people were taken to hospitals. 25 of them clemson students, according to university officials. Were just thankful that it was 23409 any worse than it was. Meaning that at this point, there is no deaths involved and there was no entrapments involved. The president of the buildings Management Company tells me the complex has no violations hes aware of. He also says the clubhouse has a posted occupancy limit. And in his opinion after reviewing that video, tony, the occupancy limit was well exceeded. Dokoupil its amazing it wasnt worse looking at that video. So true. Dokoupil thanks. More than 2 billion in lottery jackpots are up for grabs this week. Tuesdays Mega Millions has soared to 1. 6 billion dollars, the largest lottery prize in u. S. History, wednesdays Powerball Jackpot is around 620 million dollars. Coming up next, theyre on the hunt to repair or replace millions of recalled air bags. Dokoupil its estimated about 3,000 lives are saved each year by properly fuptioning air bags. Now a new program called operation find and fix aim toos repair or replace those air bags that have deeffective and potentially deadly. Heres mireya villarreal. This van right here, we checked it and it has two recalls. Roger renteria is scanning vehicles in this los angeles swap meet. The area is a priority for the nonprofit known aspiration find and fix. It has one of the highest concentrations of vehicles with unrepaired defective takata air bags. Some of the cars are second hand cars so they would purchase and the dealer realistic clea las no way of informing them so that is where we come inness with nationwide there is an estimated 14 million vehicles driving around with deeffective takata air bags. Volunteers are using grass roots efforts in florida, texas and california where combined there are over 4 million vehicles with unrepaired potentially deadly air bags. So far they have checked more than 30,000 vehicles. The takata air bag deployed, scrap metal like a hand grenade hit her car o tid 5r9 ree. He lost his daughter jewel in september 2014. Now he is advocating for better Auto Industry regulations. Do you feel like these grass roots organizations have had to step if because there is a lack of taking responsibility from the automaker industry . Well, i think that you have to be alertive. And you cant just rely on them. And theyre not necessarily honest all the time and that concerns me. Theyre not forth right. The. When you tell customers that their car has recalled air bags what is their first reaction. Oh pie goodness, i condition believe that, really . The first thing in their head is we are trying to upsell them something. We tell them no, we dont fix that. You have to go to the auto make tore get it fix and it say free repair. If just three months they checked over 10,000 vehicles, discovering nearly 700 on the recall list. The number is a reality check that this problem is far from being fixed. Mireya villarreal, cbs news, los angeles. Dokoupil at least 18 people were killed and more than 150 injured when a passenger train derailed in tie want, the train was heading from taipei to another city when it jumped the tracks. The cause of the accident sunday investigation. It was a wild and woolly sight today in the streets of madrid. Thousands of sheep paraded through the spanish capitol. It is an annual festival where shepherds move their flocks to warmer pastures for the winter using ancient my migration routes. Up next hot Climate Science in the worlds coldest place. Dokoupil warmer ocean and air temperatures have caused ice shelfs in antarctica to thin and collapse at an alarming rate. Mark phillips traveled to the bottom of the world flying with nasas operation ice bridge. This is not just a joy ride over some spectacular scenery. Too low, terrain, too low, terrain. This is a low level ariel sortee in a new kind of information war. Nasa is here in and arctica gathering ammunition, otherwise known as Scientific Data in the battle or climate change. Basically we need to know what is happening to the climate. And specifically the sea level. John sonntag has been flying these missions since they started ten years ago. We already know that large parts of apt arctica have been thinning a lot in the last 20 years or so. And not only that they are poised to thin at a faster rate in the future and raise sea level much, much faster than we are currently seeing. These flights are part of nasa annual Antarctic Campaign that flies out of puna arenas at the torn tip of chile. Using and dc eight jaimed with the newest scientific strawments and the scientists to run them. They fly at just 1500 feet using lasers, radar, photography, even gravity sensors to measure the volume and the mass of the ice. Instruments that tell scientists like Joe Macgregor what shaping below. Presently the Antarctic Ice sheet is discharging more than two olympic size swimming pools worth of ice into the ocean every seconded. Every second. At that rate st now feared antarctica alone could cause as much as six inches of Sea Level Rise this century. Making flooding in places like miami, or new orleans or new york worse and much more frequent. Why is that happening . It may look cold down there but the seas are warming. This expanse of icebergs and thin ice used to be a solid ice Shelf Holding back a glacier until warmer water broke it up. Then what happens is the cork sowt of the bottle and the ice can accelerate for awhile so the melt rate increases. Effectively, yes, overall. That glacier is now racing into the ocean at twice the speed. This plane is doing some of the hottest Climate Science on the planet, in the coldest place on earth. And the general conclusion after a decade is that what used to seem frozen and permanent is now fluid and changing. And changing fast. Mark phillips, cbs news, over ant arctica. Still ahead head, a pup named patches undergoes a pioneering surgery. Blaj blaj. Dokoupil it is a wonder of medicine, a 3d printer created a new skull for patches, a cool little dog who lost his to cancer. Heres don dahler. Patches. Every dog owner thinks their pup is special. Patches really is. Good girl. Yes. Four years ago when her owner Danielle Dymeck noticed a small bump on top of her head she took her to the vet. They didnt know what it was. We came to the if it doesnt grow were not really going to worry about it. The bump continued to grow at an alarming rate. Diagnosis, a lifethrepting tumor. It was big and it was pressing on her brain. Dr. Michelle oblak is a Veterinary Surgical oncologist. To remove it we would have to take about 70 of her skull. So dr. Oblak and a team from Cornel University tried something never before done in the u. S using a 3d printer, they cleated a replacement skull made out of titanium that fit over patches brain perfectly. Her titanium, you can feel it is hard, is all the way around and it is down around her nose. Except for a few scars the new skull is unnoticeable. But its implications are huge. Not just for dogs, but people too. Instead of having to take an implant off the shelf we could take an implant that we designed perfectly for that patient and a human surgeon could do the same thing. Was there a moment when you said, you know what, shes had a good life up until now, maybe we need to just put her down. No, because she, other than having this big bump on her head, was a completely healthy dog. A little dog that just opened up a big world of possibilities. Don dahler, cbs news, allenwood, pennsylvania. Dokoupil when we return the rise of roller derby in america. Dokoupil roller derby has been and for about a hundred years but the sport is making a big comeback not just in the u. S. But around the world. Jamie yuccas took a spin. Under the nice lights, risky business. We got this. Is getting out. Risky business. How did you come up with that. Because skating at my age is risky business. For 45 year old brena chadwick is st a risk worth taking. More than a quarter of roller derby players are now over 35. This is not book club. Nope. You guys arent soccer moms. Nope. We might soccer mom on the side, but we skate derby within the team is made up of nurse, waitresses, Software Engineers and full time moms. 52 year old ileana jaimison of Foxxy Bloxxy Brown son her 9th pair of skates. The fact that me taking up por space in the world was a valuable thing on this track was very attractive to me. Hi never played a sport before. Tonight is fresh meat night. Im really going to fall. Where those who have never done derby are invited to try and try again. This is a slowest train you have ever been on. What does skating derby me mean. Frawling a lot and getting up time and time again. We always tell skaters when they say i cant do t we tell them you cant do it yet. It is easier to get people excited now that the 1970s version of roll roller derby is gone, no more fake brawls, falls or skating within the popularity started to die down am they moved away from the thee at ricks and they really turned it into a legitimate sport that show kaitions the athleticism of the skatersness where win or lose for these women, girl power is more than just a thing strks how you roll. Jamie yuccas, cbs news, temecula, california. Dokoupil what dose around comes around. Thats the cbs weekend news for this sunday. Later on cbs 60 minutes, for more news any time go to cbsn cbs news. Com or download the cbs news app, live from the cbs bay area studios this is kpix5 news. Meless problem. Now at 6 00 its an issue that has San Francisco tech titans trading jabs on twitter, how to fix the citys homeless problem and how to pay for it. Good evening to you. Im juliette goodrich. Im brian hackney. Well have that story in a moment. First we are following breaking news in san jose. A bomb squad has been called to a home on the east side of san jose following an explosion. Police tell us that it happened in the garage of a home on moonflower court. Two people have been taken to the hospital. Both are expected to survive. Were also told the fireworks were found on the scene. Right now it is not clear if theres still a threat to surrounding homes, but we have a crew on the way and well keep you posted. Back to our top story, salesforce Ceo Marc Benioff was in chinatown today campaigning for one controversial plan to curb the citys homeless crisis with tech money. Kpix5s Andrea Nakano joins us now with both sides of the prop c showdown. Andrea. Reporter this would be the largest tax increase in San Francisco history and it would force the Biggest Companies in the city to pay up. Both sides agree lets fix this problem, but the issue is whether or not more money is the solution. Prop c is just one of dozens of a crowd of roughly a couple hundred people gathered for a yes on c rally in the heart of chinatown. The guest of honor, salesforce Ceo Marc Benioff. Lets give it up for our hero, marc benioff reporter benioff is one of the lead backers of proposition c pouring in 2 million to support the measure. We know that we have to get these people off our streets. We know current funding is not enough. We need more funding. We can do more. Reporter it would tax corporations with