I think the full claim going on now just about seals the game. Mental Guy needs one more investigation to shift the numbers completely towards a Town win, which means the Doc should be willing to be sacrificed as Night Kill.
6 confirmed to 5 unknown (or better 5 confirmed and a scum).
If MentalGuy dies during next Night, 5 confirmed to 3 unknown.
If Vig dies during next Night, then 6 confirmed (from investigation) to 4 unknown.
I can’t see a scum win in this situation. I think it’s game over time.