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Detective riddle

A wealthy merchant reported that his safe was picked clean. The heavy steel door was wide open, and the combination dial was untouched. Detective Blair inspected the hinges and immediately solved the case. What did he see?

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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