Lord Blackwood was found slumped over his desk with a suicide note nearby. Detective Sterling walked in, felt the warm coffee mug on the desk, and instantly declared it murder. What gave it away?
The pen
The suicide note was written in fresh wet ink, yet Lord Blackwood's fingers were completely dry and free of any ink stains. Furthermore, a dying man wouldn't take time to pour a fresh cup of coffee.
About this riddle
Detective riddles are tiny mysteries. Look for the detail in the story that does not fit; it is usually the clue that solves the case.
Difficulty: Hard. More like this: Detective riddles with answers or try Truth & Lie Island for a different kind of puzzle.
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