The suspect claimed he was driving his vintage car down a dusty desert highway all night, pointing to a thick layer of dust coating his windshield. Detective Cruz arrested him immediately upon seeing the windshield. Why?
Windshields do not collect dust while driving forward
Airflow over a moving vehicle sweeps dust away from the windshield. A thick layer of dust proves the car was parked stationary all night.
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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