Case file · Locked Room
Death at Blackwater Lighthouse
Hard difficulty · Fictional mysteryThe investigation
Can you see what the scene is hiding?
A lighthouse keeper is killed behind a locked door while the killer's wet footprints vanish inside the tower. The water is not simply evidence—it is part of the mechanism.
Evidence noteWater can change what the scene tells you long after a killer has gone.
This is an original fictional fair-play mystery. The clues are presented for entertainment; no real people or events are depicted.
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