The Pima County Sheriff's Department is addressing questions about Sheriff Chris Nanos' work history amid the search for Savannah Guthrie's missing mother, Nancy Guthrie. "The Pima County Sheriff's Department recently identified two clerical errors in Sheriff Chris Nanos' publicly posted resume. Both date discrepancies were administrative in nature and were not intended to mislead or misrepresent Sheriff Nanos' work history," the department told Us Weekly in a statement on Tuesday, March 10.