- How a recent shift in DNA sleuthing might help investigators in the Nancy Guthrie case NPR
- With no initial DNA match, Guthrie investigators turn to one of their newest tools to crack cases: genetic genealogy CNN
- Arizona authorities turn to genetic genealogy in ongoing search for Nancy Guthrie NBC News
- Accomplice not ruled out in Nancy Guthrie disappearance, Arizona sheriff says CBS News
- Anonymous donation raises reward for help finding Nancy Guthrie to over $200,000 Fox News
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