I'd tell you it's not me, but you would be right not to trust my word. [ Master of... not asserting his innocence?? ] The killer today is one of us, and a killer tomorrow or the day after that could be any one of us.

[ He'll straighten up as well, already thinking of the next place to check. Sadly, this doesn't prove or disprove anything about the killer's identity, other than that he/she didn't clean themselves up in their bathroom. ] We should check the victim's room too. There might be a clue in there.