A security guard at a high-tech vault claims he was knocked unconscious from behind while on his midnight patrol. When investigators arrived, they found his flashlight smashed, his uniform pristine, and his shoes tied in double knots. Detective Hall smiled and charged the guard with insurance fraud. What betrayed the guard's lie?
His shoes
A person knocked unconscious from behind falls forward or collapses. The guard's uniform was pristine (no dirt or scuffs from a fall), and his shoes were meticulously tied in double knots, which wouldn't happen from a sudden ambush.
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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