An antique dealer was murdered behind his counter. His ledger was open to a page dated November 31st. Detective Cross immediately knew the ledger entry was a forgery written by the killer after the murder. Why?
November only has 30 days.
November has 30 days, so any ledger entry dated November 31st is fictitious and was planted after the crime by someone careless about calendar dates.
About this riddle
Detective riddles are tiny mysteries. Look for the detail in the story that does not fit; it is usually the clue that solves the case.
Difficulty: Easy. More like this: Detective riddles with answers or try Truth & Lie Island for a different kind of puzzle.
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