police say walker and roger rodas crashed while driving a porsche carerra after a fundraiser in santa clarita on saturday. speed is believed to have been a factor. autopsy results are not expected to be released today because the coroner is still waiting for dental records to identify the bodies. >>> today we are getting new images of that fatal train accident in new york city over the weekend that killed four people. cbs reporter marlie hall explains why federal investigators believe the train was going too fast when it derailed. >> reporter: newly released video gives a close-up look at toppled train cars and the mangled tracks left behind in the wake of sunday's deadly derailment. investigators say the metro- north commuter train was traveling at nearly three times the speed limit when it came around a bend in the bronx, new york. >> the train was traveling at approximately 82 miles per hour as it went into a 30-mile-an- hour curve. >> we have five cars left the track. >> reporter: the seven-car train jumped the tracks, killing four passengers and injuring dozens of others. a law e

. >> pam: the fast and the furious star was a passenger in the red porsche carerra gt involved in theaccident. meantime -- a new video is shedding new light on the death of actor paul walker. casey wian reports. >> reporter:chilling new video showing the crash that killed actor paul walker and his friend, roger rodas. >> reporter:at the moment of impact -- you can see a light pole and tree fall. smoke is faintly visible at first -- then begins to billow heavily. but it took 60 seconds between the time of the crash and the first signs of smoke -- when the porsche burst into flames. ♪ "we've heard of heroic efforts to try to pull the men out but it was too late. it's the lonely 60 seconds of no smoke, no fire in the porsche carrera gt when those men were inside that vehicle obviously unable to get out." >> reporter:the autopsy results on the remains of the victims are complete but not being released because of a "security hold." >> reporter:investigators continue to search for answers about what caused the accident -- they say they have not found any evidence of a fluid leak from the ca

los angeles for victims of the philippines typhoon when he decided to go for a friend in his porsche carerra gt. authorities say speed was a factor but they don't think they were racing. jim saw the pair before they took off. >> i know for a fact they weren't drag-racing. >> reporter: walker was best known for his role in the "fast & furious" films. the movies about street racing were huge worldwide. production on the 7th installment is delays because of the death. fans continue to pay their respects at a makeshift memorial set up at the crash site leaving behind candles and movie memorabilia. walker's father talked to reporters outside his home. >> i'm just glad every time i saw him i told him i loved him. >> reporter: investigators say they have yosemite to determine how fast the car was going when walker and his friend crashed. teresa garcia, cbs news, los angeles. >> and paul walker was apparently a very generous man. in the early 2000s he was shopping in a jewelry store in santa barbara when he overheard a couple picking out a ring in the store. the man was a soldier just finishing a to

it took about a minute after the crash before the porsche carerra gt burst into flames.ker's friend behind the wheel also died. >>> a hijacked shipment of highly radioactive material horn turned up north of mexico -- material has turned up north of mexico city. thieves pried the protective case around the cobalt 60 it was hauling which is used for radiation therapy. it can also be used to make a dirty bomb. investigators think the thieves just wanted the metal for recycling. a nuclear physicist said they could be dazed from radiation poisoning. >>> u.s. marshals arrested a man at a home in sacramento wanted for a massacre in mexico. nick janes on how he managed to hide in sight for 13 years -- hide in plain sight for 13 years. >> you look at the man you'd probably say was a family man, but he's not. >> reporter: his name is genaro alaguez, 13 years on the run a wanted man. he used heavy weapons authorities say to kill a commissioner and seven other city officials in a massacre in mexico back in may, 2000. >> i haven't saw him around. >> reporter: u.s. marshals acting on

the fast and the furious star was a passenger in the red porsche carerra gt involved in the accident.e driver, roger rodas, was killed from "multiple traumatic injuries," according to the new autopsy report. >> pam: toxicology results are still pending and could take several weeks. >> pam: earlier, universal pictures announced they were halting production on "fast and furious 7" for an undetermined amount of time in the wake of walker's death. >> pam: paul walker wasn't just an actor -- many that knew him say was a charitable man. pat harvey speaks to one california couple who is expressing their gratitude. after learning walker paid for their engagement ring. >>"it's still to this day the most generous thing anyone has ever done for me," says. >> reporter: victorville couple, kristen and kyle upham never got that perfect ring when the quickly married before kyle left for his army deployment to iraq. but in 2004 they say actor paul walker made that wish come true while the couple was shopping for a ring in santa barbara. >>"i noticed there was someone else in there but didn't give it

the porsche carerra g2 is a high-speed car and reportedly very difficult to control.light, and you can go very quickly very fast. it can be hard to control. it was a 45-mile-an-hour speed limit in this area. the car was pretty much totalled when it hit the pole. >> we teased sharon osbourne. what did she reveal? >> two things. transitional moment. she said that being on "the osbornes," the reality show, was probably one of the worst decisions she ever made. granted, a lot of opportunities, all of them happened because of the show. she said that ozzie and her didn't get enough time with the kids as a result of the traveling involved. i feel like they were on the show a lot together. i'm a big believer you don't begrudge your past because it got you where you are. there's another big thing she revealed. graham norton asked what the painful surgery she ever had was -- >> and? >> and it's a medical term. i can say she rejuvenated a part of herself that was below the waist. >> oh, yeah. oh, yeah. >> i didn't know she did that -- >> vagina. >> she said that was quite painfu

for victims of the recent philippines typhoon when he decided to go for a ride in his friend's porsche carerrauthorities say speed was a factor but don't i think were racing. jim saw the pair before they took off. >> i know for a fact they weren't drag-racing. >> reporter: walker was best known for his role in the "fast & furious" films. the movies about street racing were huge hits worldwide. production on the 7th installment is delayed because of walker's death. fans continue to pay their respects at a makeshift memorial set up at the crash site leaving behind candles and movie memorabilia. walker's father talked to reporters outside his home. >> i'm just glad every time i saw him i told him i loved him. >> reporter: investigators say they have yet to determine how fast the car was going when walker and his friend crashed. teresa garcia, cbs news, los angeles. >>> coming up, how you can give a tree new life after you chop it down. >> and if you think you escaped paying tax by buying something online, how that cyber monday purchase could come back to hawn you. -- could come back to haunt you.

for victims of the recent philippines typhoon when he decided to go for a ride in his friend's porsche carerra gt. authorities say speed was a factor. but they don't think they were racing. jim torp saw them before they left. >> i know they weren't drag- racing. >> reporter: walker was best known for his role in the "fast & furious" films. the movie is about street racing, it was a huge hit worldwide. production on the 7th installment is delayed because of the death. fans continue to pay their respects at a makeshift memorial set up at the crash site leaving behind candles and movie memorabilia. walker's father talked to reporters outside his home. >> i'm just glad every time i saw him i told him i loved him. >> reporter: investigators say they have yet to determine how fast the car was going when walker and his friend crashed. teresa garcia, cbs news, los angeles. >>> in business news, u.s. stock futures are falling this morning as investors wait to see a large amount of economic data including november car sales. cbs news business analyst jill schlesinger is in new york this morning. good mo