If I were the murderer, I wouldn't kill a teammate from the previous game on the first night. If the rest of our team are the same, then the pool of suspects for the murderer has narrowed down :3
Arandor, a mafia player, whom Ment framed?
And yes, I agree with Neyra that, at least until there's a good reason, it's not worth executing anyone, especially since the snail has appeared.