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FBI and Pima County Pursue DNA Lead as Pajama Top Is Collected for Testing

Advanced DNA testing could soon identify an unknown contributor to biological evidence recovered at Nancy Guthrie’s Tucson property.

Overview

  • Nancy Guthrie, 84, disappeared from her Tucson home on February 1 and her abduction was captured on a doorbell camera showing a masked, gloved man known publicly as the “porch guy.”
  • Pima County Sheriff’s investigators with FBI support say they have unknown DNA from the scene and that advanced laboratory work may be getting closer to naming a contributor.
  • Volunteers reported finding a pajama top near disturbed ground along Highway 79 and deputies collected the item for forensic testing, but officials have not confirmed any link to Guthrie.
  • No suspect has been publicly identified or arrested and investigators stress the case remains active while cautioning that labs could eventually find DNA evidence unanalyzable.
  • Outside experts have proposed multiple theories, including a so-called wrench attack or a lone actor, and the large volume of tips has prompted comparisons to past Tucson cases where key names were buried in thousands of leads.