I can shout and get nervous, should I?
OLOLO, the Mafia is framing the innocent!!!!11 I'm not to blame, it's all the Barbarians' fault!!!11
Usually, the Mafia is more interested in proving their innocence if someone starts accusing them. An innocent player, on the other hand, doesn't see the point in doing so, because they know they are innocent.
This is quite logical, but not always the case, of course.
