Pima County Sheriff Blocks FBI Access to Crucial Evidence in Nancy Guthrie Disappearance

13 February 2026 U.S. News

TUCSON, Ariz. — The investigation into the disappearance of Nancy Guthrie has hit a significant roadblock as Pima County Sheriff Chris Nanos reportedly refuses to grant the FBI access to key evidence. According to federal sources, the sheriff is withholding items, including a glove and DNA samples recovered from Guthrie’s Tucson home, that the FBI has requested to analyze at its national crime laboratory in Quantico, Virginia.

The FBI’s request to process the evidence at Quantico is part of a broader effort to leverage advanced forensic technology to unravel the circumstances surrounding Guthrie’s disappearance. However, Sheriff Nanos insists on sending the materials to a private laboratory in Florida, a move federal officials say risks further delaying an already urgent case. A federal law enforcement official told Reuters that earlier setbacks have already slowed progress, and withholding access to this evidence could exacerbate the problem.

Nancy Guthrie, a mother whose disappearance has drawn national attention, vanished under mysterious circumstances, prompting an extensive search and investigation involving multiple agencies. The FBI has deployed specialized units and requested extensive surveillance footage from the neighborhood, aiming to piece together the timeline leading up to her disappearance. The agency has also doubled the reward for information to $100,000, signaling the case’s critical status.

The tension between the Pima County Sheriff’s Office and the FBI is not new. Records indicate a history of a testy relationship, which some experts believe may be complicating collaboration on this high-profile case. The FBI’s national crime laboratory in Quantico is renowned for its cutting-edge forensic capabilities, and federal officials argue that processing the evidence there is vital for a thorough and timely investigation.

The refusal to comply with the FBI’s request comes amid increasing public pressure and media scrutiny. Law enforcement officials have been seeking surveillance footage from neighbors covering narrow time frames before Guthrie’s disappearance, hoping to identify persons of interest or suspicious activity. The FBI’s involvement has brought advanced video analysis and digital forensic techniques to the forefront of the investigation.

This development also raises questions about jurisdiction and interagency cooperation in complex missing persons cases. The FBI’s Missing Persons Unit often works alongside local law enforcement to pool resources and expertise, but conflicts over evidence handling can hinder progress. The Department of Justice emphasizes the importance of collaboration to ensure that investigations proceed efficiently and that justice is served.

As the case continues, the FBI has reiterated its commitment to uncovering the truth behind Nancy Guthrie’s disappearance. The agency’s efforts include analyzing digital forensics, reviewing surveillance footage, and coordinating with other federal and local entities. Meanwhile, the community remains hopeful for answers, even as procedural disputes threaten to stall the investigation.

For those following the case, updates can be monitored through official channels such as the FBI Phoenix Field Office and the Pima County Sheriff’s Office. The public is encouraged to provide any information that could assist in locating Nancy Guthrie or advancing the investigation.

This standoff underscores the challenges law enforcement agencies face when balancing local authority with federal investigative priorities, especially in cases that capture national attention. As the search for Nancy Guthrie presses on, the hope remains that cooperation will ultimately prevail to bring resolution to a case that grows more urgent by the day.

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Written By
Priya Desai covers technology, platforms and data privacy, with a focus on how AI, social media and digital policy are reshaping work, speech and daily life.
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