The curator of the maritime museum was found locked inside a giant glass aquarium tank, which was slowly filling with water. The heavy steel door of the tank was bolted from the outside. Three suspects stood nearby: the rival historian, the terrified intern, and the master locksmith. Each claimed they had no idea how the curator got inside. Detective Sterling pointed to the floor vent and arrested the locksmith. Why?
The locksmith
The tank was a giant glass aquarium bolted from the outside, requiring specialized manipulation of locks and bolts to seal it, a feat only the master locksmith could accomplish.
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: Medium. More like this: Detective riddles with answers or try Truth & Lie Island for a different kind of puzzle.
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