Did they back trace it with the Cyber Police?
So, what exactly happened? Because the way it's written it seems like the car broke a coupler and then kept rolling.
If that's the case, that's uuuuuuuuuuuuhhhhhhhhhhhhhhhh bad
It doesn't work that way. The train went into emergency when it came apart. Still, a broken knuckle in a passenger train is pathetic.