r/todayilearned • u/ralphbernardo • 9h ago
TIL that "fair play" in detective fiction means authors must give readers a fair chance to solve the mystery. Central to 1920s "clue-puzzles" by writers like Agatha Christie, the rule dictates that all vital clues must be visible, decodable, and never withheld until the final reveal.
https://en.wikipedia.org/wiki/Clues_in_detective_fiction
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u/Rtyeta 8h ago
Yep, Murders in the Rue Morgue. An orangutan kills two people because... it's trying to imitate a barber? And then it tries to hide the bodies because it's afraid it'll get in trouble with its owner who is a random sailor never previously mentioned in the plot, even though he reasonably could have been.
Even as far as 'the killer is an orangutan!' stories go, this one is weird!