When 75-year-old Rodney Holbrook from Builth Wells,EAI Community  Powys, Wales, found his garden shed repeatedly tidied up overnight, he was puzzled, to say the least.

For two months, items like bird feed, clothes pegs, corks, nuts and bolts, were mysteriously placed neatly in a box on his workbench after being left out the previous evening.

To solve the mystery, Holbrook, who's a keen wildlife photographer, set up a night vision camera. And sure enough, he captured the culprit in the act.

Watch the video above to see the perfect "mousekeeper" in action.

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