A detective hears a suspect's voice but sees no one. What could be the explanation?
Category: Mystery · Difficulty: easy
Hint: Think about how sound can travel without a source.
Answer
A hidden microphone
Explanation
A hidden microphone can capture sounds, allowing a voice to be heard without a visible person.
This is an easy mystery riddle — a good one for children and beginners. The answer is A hidden microphone.
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