I assumed this was just a joke (or semi-joke?) but then this:
"A message was discovered:"

I've nothing yet to go on but to vote the most suspicious-looking of the votes Lynching the Innocent:
Vote: Tanar Aerdoth
This is tentative. I consider Tanar 29% to be Scum, and almost everyone else 23%.
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I played in one previous game where private PM's were allowed (though a "white soapstone" had to be spent for each PM), and don't know how they play out.
Visorslash specifically asked for PM's, making a vague promise. Comments?
I'm a Townie myself and will be happy to receive PM's. I'd ask that PM'er reveal as much as he/she asks. Is that reasonable?
Specific advice about game tactics or strategy, whether PM usage or other, would help me. Moreover, such discussion. with the bluffs and "wineglasses" that might ensue, might help better players to guess alignment, no? In fact, since scum already know alignment, failure to discuss is scummy, no?