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FBI Advances Forensic Testing in Nancy Guthrie Disappearance

Federal labs are reanalyzing evidence that was sent from a private Florida lab to seek DNA matches that could support charges.

Overview

  • Nancy Guthrie was reported missing from her Tucson home on February 1, and investigators have released doorbell footage of a masked person and confirmed Nancy’s blood was found on the porch.
  • Trace evidence that was initially tested at a private Florida laboratory has been transferred to FBI labs in Quantico for advanced DNA analysis, and officials say results are still pending.
  • The transfer of evidence has strained relations between the Pima County Sheriff’s Office and federal agents, prompting public scrutiny of Sheriff Chris Nanos even as authorities say some details must be withheld to protect the investigation.
  • A resurfaced image of Annie Guthrie’s book acknowledgement that names a ‘Charlie’ and public posts by a former FBI agent proposing four speculative scenarios have driven online conjecture, but officials have not linked the book or those theories to the probe.
  • Rewards totaling more than $1 million remain active and investigators continue to collect tips and preserve leads, with officials warning that misinformation and public speculation could hinder forensic work and any eventual prosecution.