I have the replay if it helps, havent seen it before so I have learned my lesson about even when dead you cant have an honest discourse about who you think is what.
A dead player alt-tabbed causing the lag screen to pop and several dead players called out the mafia members
Silkyblack (that is his SC name, in game was take the canoli) got the other people to alt tab as he told everybody who the remaining mafia members were.