My brain might finally stop hurting after the last recap of FoS.
I also remembered Decalogue of priest Knox-10 rules of a detective story from the ninetees “Crimes for priest Knox”(CZE). FoS held it:)

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    1.The felon must be mentioned at the beginning of the story.
    2.Supernatural and unnatural factors are dismissed.
    3.There cannot be more then 1 secret room in the story.
    4.No unknown poison or a method that required long explanation cannot be used.
    5.There cannot be any Chinese man (not to be rasist, just that they were trendy in nickel-and-dime detective stories).

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      6.The detective cannot solve the story by chance or some inexplicable intuition.
      7.Our detective cannot be the culprit.
      8.The detective cannot uncover a trace without debunking it to the viewer.
      9.The “Watson” of the story cannot withhold any secret ideas and must be at most slightly uninteligent.
      10.There cannot be twins or lookalikes.

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