Guys, we need to kill Friend today in order to have a chance at winning.
I mean, think about it, dammit. If Defenestration is the only bad guy left and we off him right now, Friend wins outright and we don't.
If there's more than one bad guy left and we off him right now, we'll go into tomorrow with four people left and Friend still alive, at which we lose no matter who we lynch. And if you think the bad guys here aren't willing to play that kind of brinksmanship game, you clearly haven't been paying attention.
As I see it, there are four realistic scenarios to consider here.
1: We have one vampire (Defenestration) and one weretiger (Friend). Covered this one above; we cannot lynch Defenestration today.
2: We have two vampires (Defenestration and someone else) and one weretiger (Friend). I really hope this isn't the case, because if it is, we're kinda screwed no matter what; killing one of the vamps still leaves us with the choice between letting the vamps win and letting Friend win. Even if we kill the Master Vampire, the remaining one could kill Friend, but would probably prefer to put the town in an unwinnable situation he can exploit than let someone with a scry figure out who he is and get him lynched. The less-bad choice here is to kill Friend and hope to get converted to the winning team, which still isn't very good, but a 1/3 chance of winning is better than no chance at all.
I regard 3 and 4 as more likely, since I suspect we still have a werewolf:
3: We have one vampire (Defenestration), one werewolf (Envy), and one weretiger (Friend). If we kill Defenestration, Envy really has no reason to kill Friend for us; we'll just turn around and lynch him for the win. A better play for him is to kill someone else, so we have the choice between letting Friend win and letting Envy win. Do you want this? Because I sure as hell don't.
4: We have two vampires (Defenestration and someone else*), one werewolf (Envy), and one weretiger (Friend). If we kill Defenestration, we're still screwed. Envy, for reasons stated above, won't be killing Friend for us. The other Vampire might, but if Envy gets to him first, we're in the Envy-wins-or-Friend-does scenario, and if he doesn't and kills an inno instead, it's Envy-wins-or-the-other-Vampre-does.
We have no choice but to kill Friend today.
*Would have to be Stush in this case.