welcome to "world news tonight." and the urgent warning right now. is the air bag in your car at risk of exploding? tonight, the recall widening. millions of cars in america. we have the makes and models. brian ross reporting. the major turn tonight in the ebola crisis. what we've learned about that first group being monitored. as that helicopter hovering over the cruise ship. and the key date to watch now. whose telling the truth? the hunt for a russian nuclear submarine tonight. the biggest military operation of its kind since the cold war. the mystery unfolding right now. monica lewinsky in her own words tonight. what she said today in front of a crowd we have never heard before. and the peyton manning moment. was it more than meets the eye? the blig reveaig reveal, right .

good evening and it's great to start another week with you. and we begin with that urgent warning for drivers, for families across this country. it involves air bags in millions of cars on the road right now. are they at risk of exploding? tonight, they are urging nearly 5 million families to be repaired right now because of a defective air bag, sending dangerous materials, shards of metal, flying through the car. safety advocates says this brings the total to 20 million cars. tonight here, we ask, is your car one of them? and where were those air bags made? abc's chief investigative correspondent brian ross is here. good evening. >> reporter: good evening, david. today's urgent air bag alert is a rare move from the national highway traffic safety administration which some, safety advocates, say is long overdue. it comes after at least four depths. to do their job, air

bags have to deploy in a split second, in half of a blink of an eye, propelled by what's called an inflator. >> the expansion rate is so fast and so quick and violent that it actually expands this metal portion. >> reporter: but in the defective air bags, the inflavor actually explodes like an ied, propelling dead ly shrapnel. this is what happened in one case involving a honda, when 26-year-old cory of florida said he was hit in the face and the eye by the air bag shrapnel. >> this is a very extreme situation. >> reporter: most of the detect give air bags come from one plant in mexico, owned by a japanese company. the millions of cars under recall for the potentially faulty air bag inflavors include toyota, nissan, mazda, general motors, ford, chrysler, bmw and mitsubishi.

today's alert warned owners to get them repaired immediately, especially those who live in warm weather states with high humidity. what we're finding is that a wlot of folks that own vehicles have not received the notification they were supposed to have received. and that's a real issue. >> reporter: in a statement posted on its website, takata says it stands by the quality of its product and is working the investigation. >> all right, brian. another backing development. one of brian's investigations, he reported on a change this one of the most common types of guardrails on american highways. and we all remember brian showing us how guardrails are supposed to work. take a look. you can see this truck barrelling down the road. the guardrails absorbing the impact of the crash. the few have above showing the same thing. but then brian reporting on a change made, believed to shave some cost on hundreds of thousands of highways across this country. and the allegation is that instead of absorbing the impact, you can see this image. this is what can happen.

the guardrail piercing this car. brian reported on the flurry of lawsu lawsuit lawsuits. and tonight, a major development here. >> reporter: that's right. a jury in texas found that the company, trinity industries, had essentially lied to the government about the changes it made to the guardrails, and safetied y advocates said creat deadfully flaw. the company was ordered to pay $175 million in damages which could reach $1 billion. the company says it will appeal but it ratzs lots of question about these guardrails on haechs in virtually every state of the union. four states have already said they are going to suspend the use. >> four states already. brian ross, thank you. and one more developing headline this evening for american families and this one is a welcome one. new numbers this evening showing the price of gas still falling. the average price for a gallon of gas, $3.12, down nearly a quarter since last year. where are prices lowest? abc's neal karlinsky is live in seattle for us. neal?

>> reporter: david, look at this. $2.89 here in seattle. a massive drop over the last month. in fact, more than 50 cents, just since this past summer. look at some of the best prices around the country right now. st. louis, $2.69. richmond, virginia, $2.80, dallas, only $2.83. they say soft global demand is behind this, but what it really means for you is a huge savings coming into the holidays. economists estimate $4.50 in savings. and the good news keeps on coming. prices are expected to keep dropping over the next couple of months, right into the holidays, david. >> that is good news. neal karlinsky, thank you. tonight, two major developments in the ebola outbreak. tonight, the family of thomas eric duncan, out of quarantine, not one of them is sick. and what about that cruise ship, the helicopter hovers over it this weekend? are passengers now in the clear? and this evening, the one date authorities are now watching closely.

abc's tom llamas with what it means. >> reporter: when we last saw the fiance of ebola victim thomas eric duncan, louise troh and her family were escaping their toxic apartment. tonight, she's no longer under quarantine. no signs of ebola. her pastor telling us she can return to her life and what she has left. >> she is thrilled to be free and yet, i think we have to think about what freedom means at this point. >> reporter: most of her possessions, destroyed by the decontamination teams. all she has left? her grandmother's bible, a laptop and a passport. and today, four children, some related to troh, heading back to class. at one of the elementary schools, the principal told me they were ready. how can you make sure this child's not bullied? >> we can continue to have a presence in that classroom and sum foster a supportive environment. >> reporter: today, the first of two milestones. the 51 people considered to be most at risk after having

contact with duncan now off the wash list. 116 people, mostly health carol workers, still being monitored. the next milestone for dallas, november 7th. that's when those people will no longer need monitoring and if no new cases arise, that's when dallas will be free of ebola. of course, the fear won't dissipate right away. over the weekend, this image. a coast guard helicopter hovers over cheering passengers on a cruise ship. there to pick up a blood sample from a dallas health care worker who handled duncan's blood. the passenger always considered low risk tested negative for ebola. the city of dallas private donors and louise troh's church are coming together to find her a place to live. we're told when the quarantine order was lifted, she reached up into the sky and said, "praise god. i'm free." david? >> tom llamas, thank you. and tonight, a mystery unfolding in the heartland. authorities believe they may have a serial killer on their hands. 43-year-old darren vann, a convicted sex offender, accused

of a string of murders. seven young women in indiana. his arrest after police found the body of a 19-year-old woman in a motel room going into the weekend. phone records leading them to the suspect. police say he pointed them to bolds of six other women, hidden across the city of gary, indiana. tonight, they say there could be more victims. >> it could go back as far as 20 years, based on some statements we have. that's yet to be corroborated. >> reporter: authorities say the women were left in abandoned homes. there is still a major development this evening in another mystery we've been following for weeks now, hannah graham. the uva student last seen on this surveillance tape, now missing for a month. this weekend, authorities made a troubling discovery and tonight, what's now happened to the prime suspect. abc's steve osunsami, back on the case. >> reporter: he's already sitting in a virginia jail, charged in the disappearance of uva student hannah graham. late today, police in suburban d.c. confirm what authorities across this region have now

suspected for weeks. a third case tied to 32-year-old jesse matthew. >> they never gave up. not over nine years. this case has been going on for nine years. we've actively investigated it. >> reporter: the unidentify victim was attacked in 2005 and survived. they are charging matthew with abduction and sexual assault. she was walking home from a grocery store when she was grabbed from behind. people nearby who came to her rescue gave police this rough sketch. >> i think it's fair to say that she's grateful that the case will go forward. >> reporter: down the highway in charlottesville, they are still waiting for a report to confirm that it's hannah graham they found saturday next to a dry creek bed. >> charlottesville police department made a very difficult phone call. and reached out to john and susan graham to share with them this preliminary discovery. >> reporter: virginia police also sail there's a forensic link, tying matthew to the

disappearance of morgan harrington in 2009. harrington's body was found just a few miles from where searchers found the remains this weekend. tonight, matthew is in a charlottesville jail. and he has not yet entered a plea. david? >> steve, thank you. and to a puzzle that seems like it's right out of the cold war. the hunt is on tonight for a possible russian submarine. sweden is convinced it is in their waters. look at this. it's an image. there is a russian submarine lurking below? abc's chief foreign correspondent terry moran tonight on the search and what the russians are now saying. >> reporter: somewhere underneath these waves, the swedish government believes an intruder lurks. perhaps a russian submarine. it's a cold war game of cat and mouse, just like the one in that movie "hunt for red okts." >> do we have any surface

contact? >> no contact, sir. >> reporter: for four days, swedish navy vessels equiped with pwerful sonar and anti- submarine weapons, have scanned the countless bays and inlets here. but so far, just a few fleeting, tantalizing clues. this photo, taken by a civilian outside stockholm -- is it a partially submerged sub? an encrypted communications, the swedes claim they intercepted to a russian base on an emergency frequecy. >> if there is a submarine in trouble that could be a nuclear powered submarine, that's very close to swedish waters, then that could be a very serious problem. >> reporter: moscow is denying everything. but the swedes aren't buying it. like so many of russia's neighbors, they don't trust vladimir putin. and so, this october hunt will continue. david? >> it sure will. terry moran tonight, thank you. and back here at home now, and to yet another case of school bus safety in question. it was just last week here that other bus, about 80 children and parents, the bus driver swerving between lanes. you'll remember the coach

calling 911 from the bus. well tonight here, a new case. a driver in trouble and it turns out, he had two dui incidents before. so, how did he get behind the wheel of a school bus? abc's david kerley getting answers tonight. >> reporter: in handcuffs, this is the 59-year-old bus driver, charged with being drunk while he drove 25 massachusetts high school cross country runners home from a meet. parents whose children ride those district buses are scared. >> shocking. >> reporter: police found the bus back at the school, where robert murphy reportedly told officers, quote, this is really bad. this could be a good thing. i really need this. but should he have ever gotten a bus drivers license. in 1989, he was convicted of drunk driver. but when he was record checked, it only went back five years. >> moving forward, it's not going to be good enough for drivers to have any kind of record. >> reporter: just a week ago in utah, a bus driver allegedly

driving under the influence of prescription medication. here, 80 kids on a field trip. a parent chaperone calling 911. >> she can't stay in the lane. she's crossing the double lines and -- the adults are getting scared. oh! oh! >> reporter: federal regulations require the random drug and alcohol testing of drivers, but it is up to the district to implement those tests. david? >> david kerley, thank you. and this evening, some are asking, is apple killing the credit card? signs like these popping up in grocery stores across the country what's called apple pay. and it's now here. as you might remember, we were backstage with ceo tim cook for that exclusive, looking at the apple watch. the same day they revealed apple pay. tonight here, how does it all work? and is it secure? we asked abc's chief business correspondent rebecca jarvis to give it a test run. >> reporter: tonight, apple hoping youl'll never reach for your wallet again. and instead, as we showed you here in an exclusive just weeks

ago, a brand new way to pay. >> tim cook is going to walk onto that stage and kill the credit card. did you? >> i think that we put a dagger in it. >> reporter: how long before this really becomes main stream? >> it's going to be main stream today. >> reporter: eddie q is the man in charge of apple pay. he showed us how it works. >> all you need is an iphone 6 or 6-plus. >> reporter: just police your finger on the iphone home button and hold it up to the receiver. your phone generates a unique one-time payment number just for that transaction. the sale is then processed just like any other credit card swipe. going to your bank and appearing on your statement. >> it's that simple. >> reporter: scale of 1 to 10, how much more secure is apple pay than using a credit card? >> it's significantly more secure. there's nothing in that process that's not better than actually using a plastic card. >> let's try it.

i'm surprised. there you have it. $30.82, whole foods, cupertino. and tonight, apple pay is available in 220,000 stores. apple wants to be everywhere and they want that phone to be everything. your driver's license, your receipt, whatever you carry in that wall late. they want it to go into the phone, just like they did with the music industry. they want to revolutionize this. >> why didn't you bring back lunch? next time. thank you, rebecca. still much more ahead on "world news tonight" this evening. monica lewinsky in her own words. what she revealed today. she said it in front of an audience and you'll hear it for yourself. keep an eye on the sky for this month. the amazing light show. what is it? and where to look. and then, that peyton manning moment, the game of keep away so many of us saw. was it more than meets the eye? the big reveal, a lot more ahead. don't go away tonight. sheila! you see this ball control? you see this right? it's 80% confidence and 64% knee brace.

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lewinsky in her own words what she said today in front of an audience about how she felt about president clinton. here's abc's chief white house correspondent jonathan karl. >> my name is monica lewinsky. >> reporter: the former white house intern is now 41. and for the very first time, giving a public speech about the love affair that almost brought down a president. >> i fell in love with my boss in a 22-year-old sort of way. it happens. but my boss was the president of the united states. >> reporter: speaking to the forbes under 30 summit, lewinsky portrayed herself as the first real victim of cyber bullying. >> i was patient zero. the first person to have their reputation completely destroyed world wide via the internet. >> reporter: and today, another

first for lewinsky. she's opened up a twitter account, more than 35,000 followers already in less than 12 hours. and she has a new personal calling. fighting online abuse and bullying. something she wrote about in "vanity fair" over the summer. >> what i want to do now is help other victims of the shame game survive, too. i want to put my suffering to good use and give purpose to my past. >> reporter: this may have been monica lewinsky's first speech, but it won't be her last. she says this is a beginning of a full-blown campaign against cyber bullying. david? >> jon karl live at the white house, jon, thank you. when we come back here, the spectacular show coming to the sky. also, the story behind this juggle we all watched. peyton manning. was there more to it. also, that rescue dog stealing the show from this weather man tonight. we had one question. it's coming up here next and here's what's coming up later this week. take a journey. a world we didn't know existed. this week, exploring the outer limits of real science. david muir and the first

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straight to the index and a spectacular show in the sky. meteor shower glowing green. and peyton manning making history, of course, 509 career touchdown passes. his teammates celebrating, playing keep away there. turns out, not exactly spontaneous. manning's teammates revealing it was his idea. they even rehearsed. and that dog stealing our hearts and the show during this visit to a local station in canada. ripple the rescue dog, poor guy. we wanted to know, did the 1-year-old finally get adopted? there have been inquiries, but no home yet. we'll key you posted. when we come back on a monday night, would you travel 6,500 miles to jump around like this? he feels like he's rooting for the home team. stay tuned.

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traveled 6,500 miles to get the royal treatment? here's john donvan. >> reporter: call him this year's luckiest man on the face of the earth. sungwoo lee. >> i do this myself to all of you guys. >> reporter: seen here visiting from south korea back in august. cheered for like mad by baseball fans in kansas city. >> look at sungwoo! he's captured by the moment. >> reporter: because, well, before visiting kaufmann stadium for the first tim, sungwoo was for 15 years, one of the most prolific pro-royals posters online, and a constant presence on twitter. as in, sungwoo bring it all good luck and my own gear to kc. okay, not great english, but being a u.s. baseball fan from a distance was his way to learn english. he loved the look of kaufman stadium, so it had to be kansas city. look at the attention in august. they gave him a team shirt and the first pitch and they had

sungwoo who is no introvert, put up the w for a win. his english got pretty good. and when leaving for home in august, he said. >> wow. just wow. yeah, it cannot be any better. >> reporter: but here's the thing. the royals did a lot of winning while he was here. and baseball being a superstitious game -- >> the words are going to the world series. >> reporter: guess who is coming back for the world series? john donvan, abc news, washington. >> good luck charm? we will see. thank you for watching. i hope to see you right back here tomorrow. good night.

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