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Detective riddle

A man was found slumped over his steering wheel in a locked car parked in an alley. The windows were rolled up tight, the engine was off, and there were no signs of trauma. Yet, Detective Gable declared it a homicide by drowning. How is that possible?

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.

More detective riddles

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