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Detective riddle

An archaeologist was found poisoned in an ancient tomb during an excavation. The medical examiner said she ingested the poison precisely at noon. Three colleagues had alibis. Dr. Evans was adjusting the solar panels outside from 11:30 AM to 12:30 PM. Dr. Grant was developing photographs in the darkroom with no windows from 11:00 AM to 1:00 PM. Dr. Hayes was eating lunch in the camp cafeteria. Detective Cole arrested one of them for perjury. Who lied?

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: Medium. More like this: Detective riddles with answers or try Truth & Lie Island for a different kind of puzzle.

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