A rare emerald was stolen from a locked glass display case. The guard swore nobody approached it, yet the glass is coated in fresh coffee splashes from the inside. How did the coffee get inside a locked case?
The case was unlocked when the coffee was splashed
Physical objects cannot pass through locked solid glass. Therefore, the case must have been open or unlocked when the coffee landed inside.
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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