Detective Brody entered the apartment of a suspected counterfeitter. The suspect sat calmly at a wooden desk, working on a laptop. Piled neatly next to him were a stack of crisp, freshly printed one-hundred-dollar bills. Brody walked over, inspected a bill under his ultraviolet light, and immediately arrested the suspect. What flaw did Brody spot on the currency?
The serial numbers on all the bills were identical.
Real currency produced by the mint has unique serial numbers for every single bill. Counterfeiters often print batches with identical serial numbers.
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.
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