- Pima County stores more human remains than any U.S. county because the Sonoran Desert’s heat and rough terrain lead to many deaths — often of migrants crossing the border — and the medical examiner’s office handles a very high volume.
- Recent discoveries of remains near the Tucson home of Savannah Guthrie’s mother have fueled public speculation about missing Nancy Guthrie, but officials say there’s no clear link and the investigation is ongoing.
- Desert conditions speed decomposition and scatter remains, making identification difficult; Pima County has invested in specialists and air‑conditioned storage to improve chances of giving families answers.
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