Overview
- Nancy Guthrie, 84, was taken from her Tucson home and last seen on January 31, and authorities are treating the case as a kidnapping.
- Investigators have collected doorbell camera footage of a masked person, blood from the porch and street, a single strand of hair, human remains nearby, and pacemaker app data that stopped during the early hours after her disappearance.
- FBI Phoenix says it has received several ransom-style communications; some messages have been deemed extortion, others remain under investigation, and a California man, Derrick Callella, pleaded guilty to sending a fake bitcoin ransom demand.
- Veteran investigators and former agents have publicly faulted visible coordination between the family, the Pima County Sheriff’s Office and the FBI and urged broader public outreach such as nationwide and Spanish-language notices.
- The investigation remains active with no arrests or identified suspects, the family is offering a $1 million reward, and authorities continue forensic testing, genealogy and blockchain tracing as they collect tips.