Who had to outsource their wet work to the AB? And what do you mean by wet work? To be honest, it shouldn't be a surprise that mobsters would contract work in prison to prison gangs like the AB, the Mafia isn't a prison gang, they're clearly outnumbered. It only makes sense to turn to the ones who actually run prison. I don't care how tough a guy is nobody is any match for 15 guys stomping you into the ground. Most "fights" in prison aren't really fights at all, it's jumpings and stompings.
Billy Bright was murdered by the AB....