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Krabby literally started accusing people from his very first post in the game.
That wasn't even in the newspaper.
Nebо didn't write anything constructive throughout the entire game, but instead posted a bunch of nonsense in the thread and added some distracting pictures. And when someone was being executed, he quietly added his vote without any explanation.
Links didn't do anything on the first day, although she pretended to express her opinion about the temptation to execute Yashur.
On the second day, she joined the execution of Tox when the events were just starting to escalate, and then, apparently, the Mafia realized that they were all pushing for Tox's execution and told Links to back off, or she decided to do it herself to avoid being exposed.
Not surprising, otherwise, they might have to have a dialogue with a Soma.
Neira is the least obvious here. On the first day, she tried to portray the ghost girl not as a Mafia member, but as a support role for the town. After receiving responses from Tox and Yashur, she didn't bring up the topic again, and then she really got into the game, started leading many discussions, and Tox even believed her. Actually, I'm not even sure myself, but no one else seemed to suspect the ghost girl.
Yashur seemed like a town member to me on the first day, and he was active. But on the second day, he started acting strangely - he reduced his activity, asked questions to the suspects, but only drew conclusions based on the answers. After receiving a negative response from Loken on the first day, he tried not to accuse anyone else, and even hesitated to join the execution of Tox. Although he clearly wanted to, he even outlined a plan on how he would extract information from him and get him executed. And another argument - the survivor can only attack those who visited him before, or those whose status he knows. He hasn't made a single kill so far. Yashur hasn't appeared in any of the newspapers, which is surprising, but it's possible that no one actually visited him. And he might have been waiting, or he might have focused on isolation/eating defense.