A man was found hanged in his office, but the door was locked from the inside. How could this happen?

Category: Mystery · Difficulty: hard

Hint: Think about the mechanics of locking mechanisms.

Answer

He used a mechanism to lock the door

Explanation

He could have rigged the door to lock after he hanged himself, creating an illusion of an impossible situation.

This is a hard mystery riddle — a tricky one that takes a little thought. The answer is He used a mechanism to lock the door.

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