葛蘭姆縣
The Graham County Sheriff's Office (GCSO) is a local law enforcement agency that serves Graham County, Arizona. It provides general-service law enforcement to unincorporated areas of Graham County, serving as the equivalent of the police for unincorporated areas of the county. It also operates the county jail system and the 24/7 countywide 911 communications center. The Graham County Sheriff's Office is sometimes referred to as the Graham County Sheriff's Department (GCSD).