Other local, state and federal law enforcement agencies routinely work on the Navajo Nation, including the BIA Police, National Park Service U.S. Park Rangers, U.S. Forest Service Law Enforcement and Investigations, Bureau of Land Management Law Enforcement, Drug Enforcement Administration (DEA), US Marshals, and Federal Bureau of Investigation; and other Native American units: the Ute Mountain Agency, and Hopi Agency; and Arizona Highway Patrol, Utah Highway Patrol, New Mexico Department of Public Safety (State Police and Highway Patrol), Apache County Sheriff's Office, Navajo County Sheriff's Office, McKinley County Sheriff's Office.