3 ms·

Thanks. If only there had been a way to divine that from TFA.

• zuminator 7y ago
  I can only imagine transit authorities are being vague on purpose so as not to popularize this particular vector of attack.
• astura 7y ago
  TFA explains the break is located an area that should only be accessible to MTA personnel >He climbs aboard the rear of the train as it departs a station, unlocks the safety chains, somehow gets into the rear cab, and triggers the emergency brakes.