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Detective riddle

A security guard at a jewelry store reported being knocked unconscious from behind while making his 2:00 AM rounds. When detectives arrived, they noticed the guard's flashlight was switched on, resting neatly on the floor pointing away from the dark hallway where the thief allegedly fled. What exposed the guard's lie?

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.

More detective riddles

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