So wait... if we leave Spiral to die... we already know the culprit and can execute him instantly, even if he isn't the culprit to the current case... And a win condition is being one of the last three alive.
... See ya, Spiral!
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"[This is perfect. I have always fought with these kinds of cards. You say that I have lost the moment I was dealt? It's just the same as always!]"