How tree DNA helped police close in on a young mother's killer

When 28-Year-old Mengqi Ji disappeared, her husband Joe Elledge was suspected of her murder. Then a hiker made a gruesome discovery, and DNA from a juniper tree sealed Elledge's fate.

source https://www.cbsnews.com/news/mengqi-ji-murder-joe-elledge-tree-dna-helped-police-close-in-on-killer/