Anna Schecter on X: "Nancy Guthrie news from @JonVigliotti & @AmandaArdenNews in AZ
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Hair recovered in the Nancy Guthrie case is now being tested — what forensic evidence can and can't prove about a disappearance.
Forensic Evidence TheoryLocard's Exchange PrincipleInvestigative Journalism
Theory Briefing
- Pima County Sheriff Chris Nanos confirmed to CBS News that testing is underway on hair recovered in the Nancy Guthrie case.
- The forensic hair analysis could become a pivotal piece of evidence in determining what happened to Guthrie.
- Investigators in Arizona are actively pursuing leads, with CBS News reporters on the ground in Pima County.