What about the clues? Quebec is just some Swedish village.
2. the clue is related to the Cossack, so it's not up for discussion. Look for a clue related to the Angel.
The Cossack could have gone there himself. If he killed someone on his own and not under the Inca's control, and he feels like killing again today, he might go to Heaven. After all, he breaks through ANY defense, right, Ment?
And maybe replace Vistrit? It's obvious that he prefers to spend his free time playing computer games rather than playing Mafia.