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Federal law enforcement in the United States

 
Wikipedia: Federal law enforcement in the United States
U.S. Park Police officers standing by during the 2005 Inauguration Day

The federal government of the United States empowers a wide range of law enforcement agencies to maintain law and public order related to matters affecting the country as a whole.

Federal police possess full federal authority as given to them under United States Code (U.S.C.). Federal Law Enforcement Officers are authorized to enforce various laws not only at the federal level, but also state, county, and local in many circumstances. Both types operate at the highest level and are endowed with police roles, both may maintain a small component of the other (for example, the FBI Police). The agencies have nationwide jurisdiction for enforcement of federal law. All federal agencies are limited by the U.S. Code to investigating only matters that are explicitly within the power of the federal government. However, federal investigative powers have become very broad in practice, especially since the passage of the USA PATRIOT Act.

The Department of Justice is the largest and most pronounced law enforcement agency, and handles most law enforcement duties at the federal level.[1] It includes the Federal Bureau of Investigation, the Drug Enforcement Administration, and the Bureau of Alcohol, Tobacco, Firearms, and Explosives, among others.

At a crime or disaster scene affecting large numbers of people, multiple jurisdictions, or broad geographic areas, many police agencies may be involved by mutual aid agreements, for example the United States Federal Protective Service responded to the Hurricane Katrina natural disaster. Command in such situations remains a complex and flexible issue.

Contents

History

Federal law enforcement in the United States is well over two hundred years old. For example, the Postal Inspection Service can trace its origins back to 1772[2].

List of agencies and units of agencies

Department of Agriculture (USDA)

  • Office of Inspector General (USDAOIG)
  • United States Forest Service (USFS)
    • U.S. Forest Service Law Enforcement and Investigations (USFSLEI)

Department of Commerce (DOC)

Department of Defense (DOD)

Department of the Air Force

Department of the Army

Department of the Navy

Department of Education

  • Office of the Inspector General (EDOIG)

Department of Energy (DOE)

Department of Health and Human Services

Department of Homeland Security (DHS)

Coast Guard Police vehicle at the USCG Academy
CBP officers at a ceremony in 2007

Department of Housing and Urban Development

Department of the Interior (USDI)

Department of Justice (USDOJ)

Department of Labor

Department of State (DOS)

Department of Transportation

Department of the Treasury

A Bureau of Engraving and Printing Police (BEP) patrol car.

Former:

Department of Veterans Affairs

United States Environmental Protection Agency

  • Criminal Investigation Division (EPACID)
  • Office of Inspector General (EPAOIG)

United States Congress

Other Major Federal Law Enforcement Agencies

References

  1. ^ Langeluttig, Albert (1927). The Department of Justice of the United States. Johns Hopkins Press. pp. 9–14. 
  2. ^ "Chronology of U.S. Postal Inspection Service". http://www.usps.com/postalinspectors/ischrono.htm. 

See also


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