but he was unable to stop time and mr. plittid not seem to react to the horn. >> here's a good example. here comes an amtrak train behind you, speeding by quietly. it blows its horn. because it sees people here. but many types that train arrives, you didn't hear it coming. >> i didn't hear it at all. >> reporter: metro link telling us they require all film crews to go through a rigorous protocol and safety briefing. unfortunately, this was not authorized, they say and metro link was not aware plitt was filming. >> other than this police tape there's no fencing here. no signage. it's wide open. anyone could easily walk out onto these tracks. >> i don't think he was reckless or anything. i mean in anything he was doing. i think it was that moment, it was a mistake. a momentary mistake. just a trip he tripped. >> reporter: plitt has posted videos of himself working out on railroad tracks in the past. the west point graduate and former army ranger was known to push the envelope with stunts like these, often taunting death, challengi

. >> it appear that's were filming something and mr. plitt was standing on the tracks intentionally and it appeared he was obviously aware of the camera presence. >> reporter: despite the warnings and danger more than 800 people were killed or , more than 800 people were killed or injured last year trespassing on railroad tracks an 8% jump over the year before. these two women were nearly run down on a train trestle last summer, saved at the last second, only by lying flat between the tracks. in november, a young man and woman were caught on a trestle in virginia. the man was killed. >> i just hit kids on the bridge. >> reporter: cameras caught the moment last year as a 60 mile an hour locomotive bears down on a movie crew. the railroad says did not have permission to be there. a 26-year-old woman was killed. there are roughly 140,000 miles of track in this country, but few fences to keep people out. this is private property, but the railroads insist anyone determined to reach the track s will find a way. but finding a way is a decision that

. >> it appears mr. plitt standing on the tracks intentionally and he was obviously aware of the camera presence. >> plitt appeared on more than 200 magazine covers and was on bravo's reality tv show "workout." >> one half of the duo is due in court today. 18-year-old dalton hays and his 13-year-old girlfriend were captured in florida. they were responsible for a crime spree across the south in the past few weeks. expected to be back to kentucky to face charges. >>> australian golfer robert allenby says he's happy to be alive after being beaten robbed and possibly drug and then dumped in a park in hawaii. this is what he looked like after the ordeal. he started a night of drinking with friends but the attack took place when they all separated. allenby doesn't remember much about what happened but he ended up in a park next to a homeless woman without his wallet or his phone. >>> well americans here lindsey vonn could break a record today. she tied the record for women's world cup wins at 62 yesterday. the ital

. >> it appears they were filming something, mr. plitt was standing on the tracks intentionally and it appeared that he was obviously aware of the camera presence. >> reporter: despite the warnings and danger, more than 800 people were killed or injured last year trespassing on railroad tracks, an 8% jump over the year before. these two women were nearly run down on a track trestle last summer, saved at the last second only by lying flat between the tracks. in november, a young man and woman were caught on a trestle in virginia, the man was killed. cameras also caught the moment last year, as a 60-mile-per-hour locomotive bears down on a movie crew, the railroad says, did not have permission to be there. they're roughly 140,000 miles of track in this country, but few fences to keep people out, this is private property, but the railroads insist anyone determined to reach the tracks will find a way. but finding a way is a decision that can turn deadly. clayton sandell, abc news, denver. >>> and we have much more ahead tonight on "world news

. >> mr. plitt didn't seem to react to the horn. >> reporter: burbank police sergeant scott meadow says plitt was hit by the train and knocked off the tracks. hakeem rasheed witnessed the crash. >> they were shooting some type of video. >> there were two males with him, one of whom had a video camera and he was videotaping mr. priit plitt. >> reporter: police talk to the two men with who filming license. he turned his model looks into big business in the world of body building. >> confidence grows. >> reporter: his massive fan base made him the face of fitness and helped build his business empire. in 2008 he appeared on "workout" and just last week bravo premiered another reality show called "friends and lovers" with episode scheduled to air tomorrow. while fans mourn, burbank police are still investigating the circumstances surrounding his death. >> this one seems to be unusual. we do not believe it was a suicide. >>> more questions than answers. now at 6:00, a local mansion it start and where are

>> yes the train conductor seen him and sounded his horn and mr. plittt seem to react to the horn. >> reporter: plitt has posted videos of him working out on railroad tracks in the past and he was starring in a new reality show friends to lovers. it features his relationship with long time friend melanie martin. she told us overnight she's devastated. >> he was a really caring man. and he would go above and beyond for his friends. >> plitt's death, the latest in a string of railroad incidents. this woman was killed while shooting a film and in this shocking video. two women narrowly miss a deadly encounter with a freight train in indiana. this morning bravo tells abc news our thoughts and deepest sympathy are with greg's family and friends at this extremely difficult time. for "good morning america" brandi hitt, abc news los angeles. >> very sad. coming up the new tool in the battle of the bulge. how an ultrasound machine is being used to get the most out of your workout. >>> plus the being seen by millions. we'll be right back. ♪ walgreens gets that you