her brother reported she normally takes the bushbus, mis bus and took the train for that reason only. >> what a random act of horror. you're standing there, never expect somebody to push you from behind like that. >> without provocation. >> at all. >> just waiting for the train. it could have been anyone on this platform. >> polic originally released the surveillance footage bause wanted and thanks to an anonymous tip they did arrest a 33-year-old man. they haven't released his name yet, but police say that he had been diagnosed with schizophrenia and that he does have a police record. >>> this is on my bucket list, demolition derby, always looks like such fun to get out and just smash metal. this go promounted on the head rest of the car. gets his first smash off the bat, and melee ensues the cars are crushing into each other. >> posted to duke's youtube channel. >> you can tell, there's some cars that are already disabled. but this guy, still running around. >> i'm confused what we're looking at here. >> your view is out the back of the car, because in demolition derbies you want to