A note was found written in disappearing ink, but it was still legible. Why was this important for the case?

Category: Mystery · Difficulty: hard

Hint: Think about how disappearing ink can reveal secrets.

Answer

It contained a hidden message

Explanation

The legibility signifies that the ink was manipulated to reveal crucial information.

This is a hard mystery riddle — a tricky one that takes a little thought. The answer is It contained a hidden message.

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