A PM which I completely overlooked. It was sent right after role PMs went out, and when I logged in all I was concerned with was getting to my role PM as quickly as possible so I could screenshot and upload it.
Don't act like I didn't figure you out. You and Demon submitted clearly doctored screenshots with obvious errors. Demon's PM started on the second line, the first line being "2". He followed up that he'd asked Poison about the 2, and I requested a screenshot of that PM. He sent it to me, however his Inbox and Sent numbers in the new PM had both gone up by 2 (instead of the expected 1). I requested screenshots of his Inbox and Sent folders, and the new screenshots showed he hadn't sent or received any PMs except those to me.
You, Aristocrat, sent me a screenshot in which the word "Townsman" was not colored. It was white. I requested one of your Inbox and Sentbox, since it'd been effective with Demon. You read the PM and then started browsing the forums nonchalantly. I whispered you while you were in the shoutbox, asking you where the screenshots were. You asked "What screenshots?" I repeated the request for your Inbox and Sentbox. You saw the whispers, and logged out. You never sent another PM or whisper again. Pretty obvious.
Daddywhoo was the result of bad luck on his part. I saw Demon constantly "composing or reading a private message" (after I'd already confirmed him), so I opened all the profiles simultaneously. You can probably still see my name recently in every single profile. The only other person "composing or reading a private message" was Daddywhoo. I kept refreshing both profiles, and every minute or two, the timer would reset but the message would stay the same. After about 10 minutes, they both stopped at approximately the same time.
It wasn't until after I'd figured out three Mafia that I stumbled upon the PM again (when I was making the video I posted in the thread). I saw it when I was making the video of my role PM, and hit "Next" while my role PM was open, to show it switching to a different PM and back again. I almost switched back without reading the new PM, but then I was like "wtf is this?"
When I saw that Demon and Daddywhoo were recipients, and Aristocrat was mentioned in the text, I was like "omfg". It not only confirmed my results, but it additionally gave me the last Mafia, who sent the message, LoTu)S. I assumed he had accidentally sent it to the wrong person (which seemed very unlike him), rather than considering poison had given him my name. I was going to have the Vigilante kill LoTu)S, however if I'd known that it was poison's mistake, I'd have pretended I never saw the PM. Luckily it didn't end up being relevant.
Anyways, why did Daddywhoo not submit a hit? He was actively communicating with Demon. Was it done intentionally for some reason?