Summary (tl;dr)

The Pima County Sheriff's Department is acknowledging reports of an anonymous tip received by a Mexican volunteer group concerning the disappearance of Nancy Guthrie, whose case remains active. The tip led to a search in Nogales, Sonora, Mexico, though no evidence was found.

Essential Background

Nancy Guthrie, an 84-year-old woman, was reported missing from her home in Tucson, Arizona, in February, with authorities stating they believe she was abducted. The Federal Bureau of Investigation (FBI) and local law enforcement agencies have been actively investigating her disappearance. The Pima County Sheriff's Department, which serves unincorporated areas of Pima County, Arizona, is involved in ongoing efforts to solve cold cases and follow up on new information.

The Full Story

Searches for "nogales search anonymous tip" are trending due to recent developments in the Nancy Guthrie missing person case. On June 11, 2026, a volunteer search group in Nogales, Sonora, Mexico, known as "Buscando Corazones Nogales," reportedly received an anonymous tip suggesting Guthrie might be buried in an unmarked grave near the Mexico-Arizona border. The group subsequently searched an area west of Nogales, near the Mariposa region along the border, but did not find any evidence. Pima County Sheriff Chris Nanos confirmed that his department is aware of these online reports regarding the anonymous tip but stated that they have not yet been officially contacted by Mexican authorities concerning the information. The Sheriff's Department maintains that the investigation into Guthrie's disappearance is active and ongoing, and they are committed to following up on any credible leads.

Why It Matters

This trend highlights the continued public concern and cross-border efforts to locate Nancy Guthrie, a case that has drawn significant attention. The reliance on anonymous tips, even those circulating internationally, underscores the desperate attempts to find new leads in difficult missing person investigations. The involvement of volunteer search groups across the border further emphasizes the far-reaching impact of such disappearances and the complex, often informal, nature of information sharing between communities and law enforcement agencies across international boundaries.

Geographic Location

• Tucson, Pima County, Arizona, United States (Nancy Guthrie's abduction)
• Nogales, Sonora, Mexico (volunteer group "Buscando Corazones Nogales" received anonymous tip)
• Mariposa area, near Nogales, Sonora, Mexico (search conducted by volunteer group)
• Pima County, Arizona, United States (jurisdiction of Sheriff's Department responding to reports)