A leather knife sheath became the key in the Idaho college murders. On November 13, 2022, Madison Mogen, Kaylee Goncalves, Xana Kernodle and Ethan Chapin were killed in their off-campus home. DNA on the sheath tied to Bryan Kohberger; surveillance and phone records linked his car and movements, culminating in his arrest. #TrueCrime #Idaho #UniversityOfIdaho #DNAEvidence #KnifeSheath #BryanKohberger #MadisonMogen #KayleeGoncalves #XanaKernodle #EthanChapin Images: The New York Times, WFLA, NBC

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