In a crowded cafe, a murder occurs, but no one saw it happen. A lone cup of coffee holds the key. What does it reveal?

Category: Mystery · Difficulty: expert

Hint: Pay attention to the temperature of things.

Answer

The coffee was warm, indicating the murderer was nearby.

Explanation

The temperature of the coffee suggests the murderer left the scene immediately after the crime.

This is a expert mystery riddle — one of the harder riddles here. The answer is The coffee was warm, indicating the murderer was nearby..

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