Arandor
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Given that he is suspected of being a Mafia member, it would be strange to defend him. Rather, I don't rule out the possibility of a setup, considering the number of players who are afraid to kill in the first night for a solo play. But the probability of him being Mafia is high, as there are no peaceful roles identified yet. Of course, one could argue that he is a very clever setup player, but that seems unlikely, and besides, the Mafia member gets protection after a kill, so it is in his interest to kill someone. So, I think it's worth taking a risk with Fragment and see the result. And at the same time, gather clues, pay attention to the suspects, etc. (and yes, I'm just now rechecking some of the rules regarding roles, descriptions, etc.).
Be strong. Believe