Overview
- Nancy Guthrie, 84, vanished sometime between late Saturday and Sunday morning after being dropped at her Catalina Foothills home near Tucson.
- Sheriff Chris Nanos said investigators believe she was taken against her will, and homicide detectives and the FBI are now assisting.
- The residence is being processed as a crime scene, with biological samples collected for DNA analysis that could take days to yield results.
- A person familiar with the case told the Associated Press there were signs of forced entry, and her cellphone, wallet and car remained at the home.
- Authorities are canvassing for surveillance video and analyzing cell-tower and license-plate data, urging tips as concern grows over her limited mobility and life‑sustaining medication.