History of the Metropolitan Police Service been headed by a Commissioner, rather than a Chief Constable which is the highest rank in police forces outside London. The first Commissioners to hold the post were Lieutenant-Colonel Sir Charles Rowan and Sir Richard Mayne. When Sir Charles Rowan died, leaving Sir Richard Mayne as the surviving Commissioner, Captain William Hay was drafted in to jointly run the force with Mayne. However, because the two Commissioners did not agree on methods of running the force, since 1855 it was decided that only one Commissioner would run the force. Metropolitan Police patrols took to the streets on 29 September 1829,
History of the Metropolitan Police Service controversy and accusations of police brutality. The best known of the police brutality cases was the killing of Blair Peach. (In 1986, the SPG was succeeded by the Territorial Support Group which did much of the same role, but was a modernised form.) In the late 1970s Operation Countryman investigated allegations of endemic corruption in the 1960s and 1970s. It concluded that there had been corruption at many levels. Only 8 prosecutions were brought but several hundred officers retired or resigned as a result. In 1981, a report issued by Lord Scarman stated that the Metropolitan Police were having problems