Let's not focus on just one version, shall we?
Execute Verwolf!
Regarding the topic, in my opinion, Deriel was still one of the church members, as indicated by the surviving cross, and besides, not everyone carries such a large weapon. Well, that's sad...
Kran - ah, I don't think it's related to the names of the artists. Judging by the reverse logic, when Veg is looking for clues about the killers - it turns out he should first connect the design, then find some random artist and rearrange the letters? It's vague... it's more likely an abbreviation, or maybe even a proverb o0. In general, we need to look at everything carefully.

За всем следят машины благодати и любви.