A jewel thief claimed he bought a stolen emerald ring at a garage sale from an elderly woman who didn't know its value. Detective Kelly checked the ring under a jeweler's loupe, found a custom serial number, and arrested the thief for the museum heist. What proved the thief was lying?
The thief
The stolen ring belonged to a high-security museum exhibit featuring custom laser-etched serial numbers known only to the vault curators and insurance investigators. An elderly woman at a garage sale would never possess a cataloged museum artifact.
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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