Police forces are usually organized and funded by some level of government. The level of government responsible for policing varies from place to place, and may be at the national, regional or local level. In some places there may be multiple police forces operating in the same area, with different ones having jurisdiction according to the type of crime or other circumstances.
For example in the UK policing is primarily the responsibility of a regional police force; however specialist units exist at the national level. In the US policing there is typically a state police force, but crimes are usually handled by local police forces which usually only cover a few municipalities. National agencies, such as the FBI, only have jurisdiction over federal crimes or those with an interstate component.
In addition to conventional urban or regional police forces, there are other police forces with specialized functions or jurisdiction. In the United States, the federal government has a number of police forces with their own specialized jurisdictions.Workout RoutinesUebersetzungsbuero Deutsch Spanisch
Some example are the Federal Protective Service, which patrols and protects government buildings; the postal police, which protect postal buildings, vehicles and items; the Park Police, which protect national parks, or Amtrak Police which patrol Amtrak stations and trains..
There are also some government agencies which perform police functions in addition to other duties. The U.S. Coast Guard carries out many police functions for boaters.
In major cities, there may be a separate police agency for public transit systems, such as the New York City Port Authority Police or the MTA police, or for major government functions, such as sanitation, or environmental functions.