stop amtrak train these are the things we have to go through? do they drill on these type of injuries and events? >> absolutely. they have a triage system in place. they usually use a system called start where they color code how severe the injury is with red being the worst. they will empty the hospital out by the way and get more room in the emergency room for incoming injuries. >> as we look at that car right there on screen left that is completely obliterated. it seems to be aluminum and glass everywhere. you look at that and you wonder how did anybody get out of that. >> because of the protruding injuries you can get. you can get things bashing you in the abdomen and chest. you ask forrand abdominal pain. >> are you saying there's a three day window afterward where they may start to feel pain.