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Detective riddle

A wealthy merchant was poisoned during a banquet. Every guest ate the exact same meal, drank the same wine, and used the same silver cutlery. However, only the merchant's goblet contained arsenic. The cupbearer insisted he poured from the same pitcher for everyone. Detective Sterling checked the cutlery and solved the case. What did he find?

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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