My theory is that outside of the godfather, who I suspect would be Decoyman, the Mafia is composed entirely of inactive players. This is a really big mafia move around here so I need to explain myself: Outside of the Ace Attorney game I hosted where thatguy basically had control of the town from the start there has never been a perfect game for the mafia here, at least that I'm aware of. Even than, in that game Insanolord, BeautifulShy, and to a lesser extent Mop it Up were all widely suspected of being mafia but the town was never able to come to an agreement on who to vote for in that game.
This game is different. I'm usually able to see patterns or inconsistencies with players that are in the Mafia and piece things together from there, even without an investigative ability, and I know I'm not alone in this, but generally the town's greatest asset has been the fact that eventually one of the Mafia members will slip and once that happens we can reasonably deduce who their partners are from there.
This game has not been like that at all. Everyone I've had reason to suspect of anything has generally turned up dead in the morning, likely because they're townies who managed to make themselves look suspicious enough for the killer and the Mafia to try to eachother off, and thus, this game has turned into a messy bit of infighting amongst the town. Nobody has sent me a PM or anything claiming to be the doctor and so because of that I can only conclude that he's inactive as well, which means I probably don't have much time left with this game.
It's been rough, but I think the town finally has a path to victory. I can only hope it isn't too late.