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Detective riddle

At midnight, a rare emerald was stolen from a locked vault. The security guard swore nobody entered except the cleaning crew of three: Al, Ben, and Cal. Al wore heavy muddy boots, Ben used an umbrella despite the indoor roof, and Cal carried a large, sealed thermos of hot soup. Which one is the prime suspect?

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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