Kash
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For example, Cash seems suspicious to me, although I don't know exactly why yet, but I feel that he's involved – he's usually always in the front ranks, but now, seeing that he's being targeted regularly, he probably decided to lie low...)))
Cash is already used to the fact that he's suspicious anyway, so he doesn't care. He wrote a long post this morning, where he laid out all the events and suggested thinking about the clues, but I have things to do in real life today.
P.S. Rift's last post reminded me of Luchik's post from the previous mafia game; I won't react to it because it's all so far-fetched. :)
Although, okay, I'll react! I like the way you think:
1) the corpse is hanging upside down => bat => vampires => clan
2) aged two hundred years => dehydrated => 1 word from the song in the signature
Bravo! :D