The United States Marshals Service is the nation's oldest and most versatile federal law enforcement agency. The missions of the Service include protection of the judiciary, court security, witness security, asset seizure and forfeiture, apprehension of fugitives, prisoner transportation and custody. The agency's headquarters is located in Arlington, VA, and provides support to 94 district offices across the country, including the District of Columbia, the Commonwealth of Puerto Rico and three territories of the United States -- the Virgin Islands, Guam and the Northern Mariana Islands.