Durham Constabulary is the territorial police force responsible for policing ceremonial county of County Durham in North East England. The force’s area is bordered by Cumbria Constabulary to the west, Cleveland Police to the south east, North Yorkshire Police to the south and Northumbria Police to the north. , the force has 1,168 police officers, 129 special constables, and 131 police community support officers (PCSO). History Durham Constabulary was one of the first county police forces to be set up, established in 1839. The force absorbed Durham City Police (formed in 1836) in 1921, Hartlepool Borough Police (formed in 1851) in 1947, Sunderland Borough Police (formed in 1837) in 1967, and Gateshead Borough Police (formed in 1836) and South Shields Borough Police (formed in 1839) in 1968, when it also lost some of its area to Teesside Constabulary. In 1965, the force had an establishment of 1,763 and an actual strength of 1,626. As a result of the Local Government Act 1972, the northern area of the force including Gateshead, Sunderland and South Shields became part of the Northumbria Police area, whilst Hartlepool and Stockton-on-Tees in the south-east became part of the jurisdiction of Cleveland Constabulary in 1974. Chief constables 1848–1892: Colonel George Francis White 1892–1902: John Henry Eden 1902–1922: William George Morant 1922–1942: Sir George Morley (knighted in 1937 Coronation Honours) 1943–1944: Captain H. Studdy 1944–1950: Colonel Sir Eric St Johnston (afterwards Chief Constable of Lancashire, 1950–67) 1950–1970: Alec A. Muir 1970–1976: Arthur George "Peter" Puckering 1981–1988: Eldred James Boothby 1988–1997: Frank Taylor 1997–2002: George Hedges 2002–2005: Paul T. Garvin 2005–2012: Jon Stoddart 2012–2019: Michael Barton 2019–present: Jo Farrell Officers killed in the line of duty The Police Roll of Honour Trust and Police Memorial Trust list and commemorate all British police officers killed in the line of duty. Since its establishment in 1984, the Police Memorial Trust has erected 50 memorials nationally to some of those officers. Since 1960, the following officers of Durham Constabulary were killed while attempting to prevent or stop a crime in progress: PC Keith Maddison, 1997 (collapsed and died while pursuing suspects from a stolen vehicle) DC James Brian Porter, 1982 (shot dead by two armed robbers, posthumously awarded the Queen's Commendation for Brave Conduct) PC Glenn Russel Corder, 1980 (his vehicle crashed during a police pursuit) PC William Ralph Shiell, 1940 (shot dead by burglars) PC Matthew Walls Straughan, 1927 (shot dead