Pima County Sheriff Chris Nanos released a statement Thursday marking six months since the disappearance of Nancy Guthrie from her Arizona home.

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.