An alarm goes off silently at a bank, but no one is alerted. How could a theft occur?
Category: Mystery · Difficulty: hard
Hint: Think about alarms designed for discretion.
Answer
It was a silent alarm triggered by a thief
Explanation
Silent alarms are often used in banks to alert authorities without alarming the thieves.
This is a hard mystery riddle — a tricky one that takes a little thought. The answer is It was a silent alarm triggered by a thief.
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