It's related to the death of the werewolf. If the player has killed it the game does not recognize this.
didn't patches scrolls had the precedence on the patches (just curiosity)?
why Malcolm's bribe now is in Mercurio's house?
Yep, and surely Mercurio would be glad to help in your half baked extortion scheme..."Yea, bring on those cops I avoided by not calling an ambulance..."
And if you blackmail Malcolm after you told all about Mercurio to the prince?
I mean, it's mercurio who receives the money and then he gives it to you in a dialogue?