A priceless diamond was stolen from a locked museum display case. The security guard swore he never left his post, and the camera footage showed no one approaching the case. However, Detective Thorne noticed the guard's shoes were soaking wet, despite it being a bone-dry summer day. How was the diamond stolen?
Through the museum's indoor fountain pipes
The guard retrieved the diamond by entering the building's indoor water fountain system, which connected directly underneath the display case.
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: Hard. More like this: Detective riddles with answers or try Truth & Lie Island for a different kind of puzzle.
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