A detective finds a series of numbers scribbled on a wall: 7, 5, 3. A note attached reads, 'The key is in the past.' What does the detective deduce?

Category: Mystery · Difficulty: expert

Hint: Think about how numbers relate to significant events.

Answer

The numbers refer to significant past events.

Explanation

The numbers could refer to years when past crimes occurred, which may reveal a pattern or connection to the current case.

This is a expert mystery riddle — one of the harder riddles here. The answer is The numbers refer to significant past events..

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