It’s the athletic version of the Coastline Paradox: the more closely you examine it, the longer and more complex it becomes.

Am I the only person that was totally irritated by this "twist"???   Seriously, the killer is revealed as a character that had about 10 minutes of screen time and absolutely no meaningful scenes in the prior seven episodes and we are supposed to hang our hats on vague comments like "anyone could commit murder"? …