FBI Reviews DNA Evidence in Nancy Guthrie Disappearance Case

Investigators submit hair sample for advanced forensic analysis as probe continues

Apr. 17, 2026 at 7:25am

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An extreme close-up photograph of a single human hair, appearing fragile and significant as a piece of forensic evidence in a criminal investigation.A critical DNA sample from the Guthrie investigation undergoes advanced forensic analysis, offering hope for new leads in the long-running case.Tucson Today

New forensic developments have emerged in the case involving Nancy Guthrie, as the FBI reviews DNA evidence linked to her disappearance. Sources told Fox News Digital that investigators have submitted DNA samples, including a hair recovered from the Tucson home of Nancy, for advanced analysis.

Why it matters

The Guthrie case has remained an open investigation for several years, with law enforcement continuing to pursue leads and evidence. Any new forensic breakthroughs could provide crucial insights that help determine what happened to Nancy and potentially lead to the identification of suspects.

The details

According to sources, the Pima County Sheriff's Department (PCSD) has been working closely with the FBI since the beginning of the Guthrie investigation. The submission of the DNA samples, including a hair found at Nancy's Tucson residence, for advanced forensic testing represents a significant development in the ongoing probe.

  • The Guthrie case has remained an open investigation for several years.

The players

Pima County Sheriff's Department (PCSD)

The local law enforcement agency leading the investigation into Nancy Guthrie's disappearance, in collaboration with the FBI.

FBI

The federal law enforcement agency assisting the PCSD with the Guthrie investigation, including the review of DNA evidence.

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The takeaway

The continued collaboration between local and federal law enforcement, as well as the pursuit of new forensic evidence, demonstrates the ongoing commitment to solving the Guthrie case and providing answers to her family and the community.