Electromagnetic Pulse Apocalypse

Ah, yes.

a role that is beneficial for the town – me.

You understand that everything is leading to your execution, and it would have been better to reveal yourself if you were a town member, right? But you didn't do that because you are Mafia.
However... another town member, whose role you want to pretend to be, also shouldn't reveal themselves. After all, the Doctor is already gone.