[bamahead]

should be easy enough to prove if someone was on a train or not

Not necessarily if it's a commuter train, where tickets can be purchased with cash from simple automated kiosks...you don't even have to talk to a human.

Hoping that all the injuries are not serious....

[1rudeboy]

Not necessarily if it's a commuter train, where tickets can be purchased with cash from simple automated kiosks...you don't even have to talk to a human.

Not in Chicago, you cannot.