Overview
- Investigators have not named any suspects or made arrests and Nancy Guthrie’s whereabouts remain unknown as forensic work continues.
- Federal sources and outside experts report the FBI is discussing deploying video enhancement, signals analysis, blockchain tracing and related digital methods to re‑examine doorbell footage and other data.
- Police recovered Google Nest images showing a masked person at Guthrie’s front door and collected physical evidence including blood, a single hair and mixed DNA that has required complex lab testing.
- Pima County prosecutors and the FBI moved some samples from a private genetics lab to the FBI’s Quantico lab for advanced analysis and officials say strict laboratory and judicial protocols are slowing public updates.
- Authorities have launched an urgent portal for neighborhood footage, are offering a combined reward of more than $1.2 million, and continue to ask the public for tips as the family presses for answers.