YOUR question? didn't you write the rules???

I've been sitting here thinking about this question, and I keep coming up with the dizzying possibility that if there are two murderers at large they may be operating on two different "frequencies" or "rhythms", each of which would still be obliged to conform to the 3 day rule (that a murderer must strike within 3 days of a hanging).

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It's dizzying to me because I can't for the life of me figure out the logical parameters by which we would then be able to definitively determine a window within which the deadly post must have occurred. And if we can't do that, then I have no idea how we might use the search features to aid our investigation. And if we can't do that then we might as well just enjoy the rush that comes with whipping up a hysterical lynch mob (and don't get me wrong, that really is fun).