A detective noticed a faint mark on a dusty floor leading to a safe. What did this mark indicate?

Category: Mystery · Difficulty: hard

Hint: Consider how dust patterns reveal recent movements.

Answer

An object was moved recently there

Explanation

The mark showed that something had been shifted or placed recently on the floor where the dust was disturbed.

This is a hard mystery riddle — a tricky one that takes a little thought. The answer is An object was moved recently there.

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