In an old mansion, a detective finds a hidden door. Inside, they discover a stash of stolen jewelry. What does this reveal?
Category: Mystery · Difficulty: hard
Hint: Consider the implications of the hidden door.
Answer
The thief had insider knowledge
Explanation
The presence of a secret passage suggests that only someone familiar with the mansion could have hidden the jewelry there.
This is a hard mystery riddle — a tricky one that takes a little thought. The answer is The thief had insider knowledge.
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