The Pima County Sheriff's Department could be facing legal action from a man they'd detained during the search for 84-year-old Nancy Guthrie.

Pima County Sheriff Chris Nanos shared an update on the investigation of Savannah Guthrie's mother Nancy during an appearance on the \

Pima County Sheriff Chris Nanos said authorities are “working this as hard as we can” after Savannah Guthrie’s latest plea for the return of her missing mother.