Inspector Barnes entered the suspect's kitchen and found a pot of coffee still warm on the stove. The suspect claimed he hadn't been home in three days. Barnes noticed condensation on the inside of the glass coffee pot lid. Why did this disprove the alibi?
Condensation evaporates quickly
After three days, any moisture inside an unwashed, cooling pot would have completely evaporated and dried out. Warm coffee and fresh condensation prove the stove was used very recently.
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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