A safe was robbed in a high-rise office building. The combination was 6 digits, known only by the CEO. The security camera showed nobody entering or leaving the room all weekend. The CEO insisted he never wrote the combination down anywhere. Detective Cruz found the thief by looking at the office phone. What did the phone reveal?
The keypad buttons for the combination showed worn-out numbers compared to the rest of the buttons.
Frequent pressing of specific numbers wears down their finish, revealing the combination code without any written notes.
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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