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 The Arlington County Fire Department holds a Class 2 Rating from the Insurance Services Organization, the second-highest rating given to a Virginia fire department, and one of only three such ratings awarded in the state. This rating helps the local community by bringing lower insurance rates to homeowners and businesses. Arlington County Fire Department is a career fire department, with over 380 sworn career firefighters. All units are staffed 24 hours a day by career firefighter/EMTs who are divided into three platoons. Engine, rescue and truck/tower companies in Arlington are typically staffed by three firefighter/EMTs and one firefighter/paramedic, and ALS