The Metropolitan Police Service (MPS), formerly and still commonly referred to as the Metropolitan Police, is the territorial police force responsible for law enforcement and the prevention of crime within the ceremonial county of Greater London. In addition, it is responsible for some specialised matters throughout the United Kingdom, including national counter-terrorism measures and the protection of specific people, such as the monarch and other members of the royal family, members of the government, and other officials.
British Transport Police is a national special police force that polices the railway network of England, Wales and Scotland. The force polices more than 10,000 miles of track and more than 3,000 stations and depots.
Thames Valley Police is the territorial police force responsible for policing the Thames Valley, covering the counties of Berkshire, Buckinghamshire and Oxfordshire in South East England. It is the largest non-metropolitan police force in England and Wales, covering 2,218 square miles (5,740 km2) and a population of 2.42 million people.
West Midlands Police is the territorial police force responsible for policing the metropolitan county of West Midlands in England.
Lothian and Borders Police was the territorial police force for the Scottish council areas of the City of Edinburgh, East Lothian, Midlothian, Scottish Borders and West Lothian between 1975 and 2013. The force's headquarters were in Fettes Avenue, Edinburgh.
Greater Manchester Police (GMP) is the territorial police force responsible for law enforcement within the metropolitan county of Greater Manchester in North West England.
Surrey Police is the territorial police force responsible for policing the county of Surrey in South East England.
Hertfordshire Constabulary is the territorial police force responsible for policing the county of Hertfordshire in England. Its headquarters is in Welwyn Garden City. The current chief constable is Charlie Hall. As of March 2019, the force consists of over 1,900 police officers, 235 PCSOs, over 1500 police staff, as well as being supported by more than 410 special constables.
Essex Police is a territorial police force responsible for policing the county of Essex, in the East of England. Essex Police is responsible for a population of over 1.8 million people and an area of 1,420 square miles (3,700 km2).
The Hampshire and Isle of Wight Constabulary is the territorial police force responsible for policing the counties of Hampshire and the Isle of Wight in South East England.
Sussex Police are the territorial police force responsible for policing in the whole of Sussex. Their jurisdiction covers the ceremonial counties of East Sussex and West Sussex. Their headquarters are in Malling House, Lewes, East Sussex.
The Traffic Operational Command Unit (OCU), formally known as CO15, was the Road Policing Unit for the Metropolitan Police Service in Greater London, England.
The Specialist Investigation Department is a branch of the Criminal Investigation Department of a British police force which investigates crimes such as murder and sexual offences supplying specially trained officers to monitor known ex-offenders who have a history of sex offences. This unit could be considered the same as Area Major Incident Pool of the Metropolitan Police Service. The Specialist Investigation Officers use the prefix "Detective" in front of their actual police rank. The team also responds to major investigations such as murder when divisional teams can not cope with the sheer amount of work.
The Homicide and Major Crime Command is an Operational Command Unit of the Metropolitan Police responsible for the investigation of homicide and other serious crimes in London. Most of their work was carried out by major investigation teams (MITs), of which there were 24. It was formerly known as the Homicide and Serious Crime Command.
The New York City Police Department (NYPD) is structured into numerous bureaus and units. As a whole, the NYPD is headed by the Police Commissioner, a civilian administrator appointed by the Mayor, with the senior sworn uniformed officer of the service titled "Chief of Department". The Police Commissioner appoints the First Deputy Commissioner as the department's second-in-command and the Chief of Department as the department's highest ranking uniformed officer. The commissioner also appoints a number of deputy and assistant commissioners who do not have operational command and are solely for support and administrative function. The department is divided into twenty bureaus, six of which are enforcement bureaus. Each enforcement bureau is further subdivided into sections, divisions, and units, and into patrol boroughs, precincts, and detective squads. Each bureau is commanded by a bureau chief. There are also a number of specialized units that are not part of any of the bureaus and report to the Chief of the Department.
The Metropolitan Police of Greater London, England is organised into four main directorates, each headed by an Assistant Commissioner, and four civilian-staffed support departments previously under the umbrella of Met Headquarters, each headed by a Chief Officer, the equivalent civilian grade to Assistant Commissioner. Each business groups or directorate has differing responsibilities. The commands are Frontline Policing, Met Operations, Specialist Operations and Professionalism.
The Columbia Police Department (CPD) is the principal law enforcement agency serving the city of Columbia, Missouri in the United States. It protects a metropolitan population of nearly 127,000 with 187 sworn police officers.
The Detective Bureau is one of 20 bureaus that constitute the New York City Police Department and is headed by the three-star Chief of Detectives. The Detective Squad was formed in 1857 with the Detective Bureau later formed in 1882.
The Organized Crime Control Bureau (OCCB) was one of the ten bureaus that formed the New York Police Department. The Bureau was charged with the investigation and prevention of organized crime within New York City. The OCCB was disbanded in March 2016 with all investigative entities moved to the Chief of Detectives' office. The reason for this was the NYPD launching a major reshuffle of its investigative forces, consolidating several of them in an effort to tackle the city's biggest crime problem — violence by gangs and youth crews.
Police Scotland, officially the Police Service of Scotland, is the national police force of Scotland. It was formed in 2013, through the merging of eight regional police forces in Scotland, as well as the specialist services of the Scottish Police Services Authority, including the Scottish Crime and Drug Enforcement Agency. Although not formally absorbing it, the merger also resulted in the winding up of the Association of Chief Police Officers in Scotland.
