Arlington County Police Department Police arrested people for violating Virginia's segregation laws. In 1963, the agency assumed its present name. In September 2001, the Arlington County P.D. responded to the Pentagon after terrorists attacked it during the September 11 attacks, as the building is located in the county. Since the establishment of the Arlington County Police Department, 7 officers have died in the line of duty, the most recent in 2016 as a result of an illness caused by the September 11 attacks of 2001. The Chief of Police as of August 2017 is M. Jay Farr. He was appointed by the County Manager
Arlington County Fire Department and provide emergency and support services to Arlington County. Prior to 1950, independent volunteer fire companies protected Arlington County. As the demand for services for fire and EMS grew, the need for full-time paid staff was acknowledged by the County. Staff was hired, first to augment the volunteers, then finally to provide the full range of services required in a modern, urban, fire department. The volunteer members ride as supplemental staffing on apparatus and do not count as minimum staffing. The Arlington County Fire Department uses the volunteer apparatus for providing support services, such as special event stand-bys, storm and