The

federal government of the United States The federal government of the United States (U.S. federal government or U.S. government) is the national government of the United States, a federal republic located primarily in North America, composed of 50 states, a city within a fede ...

empowers a wide range of

law enforcement agencies A law enforcement agency (LEA) is any government agency responsible for the enforcement of the laws. Jurisdiction LEAs which have their ability to apply their powers restricted in some way are said to operate within a jurisdiction. LEA ...

to maintain law and public order related to matters affecting the country as a whole. While the majority of federal law enforcement employees work for the Departments of Justice and

Homeland Security Homeland security is an American national security term for "the national effort to ensure a homeland that is safe, secure, and resilient against terrorism and other hazards where American interests, aspirations, and ways of life can thrive" t ...

, there are dozens of other federal law enforcement agencies under the other executive departments, as well as under the legislative and judicial branches of the federal government. Different federal law enforcement authorities have authority under different parts of the

United States Code In the law of the United States, the Code of Laws of the United States of America (variously abbreviated to Code of Laws of the United States, United States Code, U.S. Code, U.S.C., or USC) is the official compilation and codification of the ...

(U.S.C.). Most are limited by the U.S. Code to investigating matters that are explicitly within the power of the federal government. There are exceptions, with some agencies and officials enforcing codes of

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

s and

tribes The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English is in the discipline of anthropology. This definition is contested, in part due to conflic ...

Native Americans in the United States Native Americans, also known as American Indians, First Americans, Indigenous Americans, and other terms, are the Indigenous peoples of the mainland United States ( Indigenous peoples of Hawaii, Alaska and territories of the United State ...

. Some federal investigative powers have become broader in practice, especially since the passage of the

USA PATRIOT Act The USA PATRIOT Act (commonly known as the Patriot Act) was a landmark Act of the United States Congress, signed into law by President George W. Bush. The formal name of the statute is the Uniting and Strengthening America by Providing Appro ...

in October 2001. The

United States Department of Justice The United States Department of Justice (DOJ), also known as the Justice Department, is a federal executive department of the United States government tasked with the enforcement of federal law and administration of justice in the United State ...

was formerly the largest and is still the most prominent, collection of federal law enforcement agencies. It has handled most law enforcement duties at the federal level and includes the

United States Marshals Service The United States Marshals Service (USMS) is a federal law enforcement agency in the United States. The USMS is a bureau within the U.S. Department of Justice, operating under the direction of the Attorney General, but serves as the enforc ...

(USMS), the

Federal Bureau of Investigation The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the United States Department of Justice, ...

(FBI), the

Drug Enforcement Administration The Drug Enforcement Administration (DEA; ) is a Federal law enforcement in the United States, United States federal law enforcement agency under the U.S. Department of Justice tasked with combating drug trafficking and distribution within th ...

(DEA), the

Bureau of Alcohol, Tobacco, Firearms and Explosives The Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE), commonly referred to as the ATF, is a domestic law enforcement agency within the United States Department of Justice. Its responsibilities include the investigation and prevent ...

(ATF),

Federal Bureau of Prisons The Federal Bureau of Prisons (BOP) is a United States federal law enforcement agency under the Department of Justice that is responsible for the care, custody, and control of incarcerated individuals who have committed federal crimes; that i ...

(BOP), and others. However, the

United States Department of Homeland Security The United States Department of Homeland Security (DHS) is the Federal government of the United States, U.S. United States federal executive departments, federal executive department responsible for public security, roughly comparable to the I ...

(DHS) became the department with the most sworn armed Federal law enforcement officers and agents upon its creation in 2002 in response to the

September 11, 2001 terrorist attacks The September 11 attacks, commonly known as 9/11, were four coordinated suicide terrorist attacks carried out by al-Qaeda against the United States on Tuesday, September 11, 2001. That morning, nineteen terrorists hijacked four commer ...

when it incorporated agencies seen as having roles in protecting the country against terrorism. This included large agencies such as

U.S. Immigration and Customs Enforcement The U.S. Immigration and Customs Enforcement (ICE) is a federal law enforcement agency under the U.S. Department of Homeland Security. ICE's stated mission is to protect the United States from the cross-border crime and illegal immigration tha ...

Homeland Security Investigations (HSI), the U.S. Secret Service (USSS), the

U.S. Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mul ...

(USCG), the

Transportation Security Administration The Transportation Security Administration (TSA) is an agency of the United States Department of Homeland Security (DHS) that has authority over the security of transportation systems within, and connecting to the United States. It was created ...

(TSA), and the

U.S. Customs and Border Protection United States Customs and Border Protection (CBP) is the largest federal law enforcement agency of the United States Department of Homeland Security. It is the country's primary border control organization, charged with regulating and facilit ...

(CBP) (created by combining the former agencies of the

United States Border Patrol The United States Border Patrol (USBP) is a Federal law enforcement in the United States, federal law enforcement agency under the United States' U.S. Customs and Border Protection, Customs and Border Protection and is responsible for securing ...

United States Customs Service The United States Customs Service was the very first federal law enforcement agency of the U.S. federal government. Established on July 31, 1789, it collected import tariffs, performed other selected border security duties, as well as conducted c ...

, and the

United States Department of Agriculture The United States Department of Agriculture (USDA) is the United States federal executive departments, federal executive department responsible for developing and executing federal laws related to farming, forestry, rural economic development, ...

Animal and Plant Health Inspection Service The Animal and Plant Health Inspection Service (APHIS) is an agency of the United States Department of Agriculture (USDA) based in Riverdale, Maryland responsible for protecting animal health, animal welfare, and plant health. APHIS is the lead ...

(APHIS) into a single agency within the DHS).

History

DSS at UNGA 72 - Motorcade arrivals (27402524719)

Federal law enforcement in the United States is more than two hundred years old. For example, the

Postal Inspection Service The United States Postal Inspection Service (USPIS), or the Postal Inspectors, is the law enforcement arm of the United States Postal Service. It supports and protects the U.S. Postal Service, its employees, infrastructure, and customers by enfor ...

can trace its origins back to 1772, while the U.S. Marshals Service dates to 1789. Other agencies, such as the

FBI The Federal Bureau of Investigation (FBI) is the domestic Intelligence agency, intelligence and Security agency, security service of the United States and its principal Federal law enforcement in the United States, federal law enforcement age ...

, are relatively recent, being founded in the early twentieth century. Other agencies have been reformed, such as the

ATF The Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE), commonly referred to as the ATF, is a domestic law enforcement agency within the United States Department of Justice. Its responsibilities include the investigation and preven ...

which was started only in 1972, but had its origins in 1886. Some federal law enforcement agencies have been formed after mergers of other agencies, over the years. This includes the

CBP CBP may refer to: Business parks * Cebu Business Park, a central business district in Cebu City, Philippines * Changi Business Park, an eco-friendly industrial park in Singapore * Chiswick Business Park, a business park in Gunnersbury, West London ...

and the

. Military law enforcement, although federal, consists of both active duty and civilian officers, with "DOD Police" referring to any civilian engaged in police duties for the DOD or the US Armed Forces.

Statistics

* In 2020, federal agencies employed approximately 137,000 full-time personnel authorized to make arrests and carry firearms in the 50 states and the District of Columbia. Around half (49%) of the personnel worked for the Department of Homeland Security, and 30% worked for the Department of Justice. * Federal officers' most common primary function was criminal investigation or enforcement (68%), corrections (25%), and police response and patrol (9%). * Around 15% of federal law enforcement officers and 13% of supervisory law enforcement personnel were female in 2020. * More than a third (38%) of federal officers were members of a racial or ethnic minority in 2020. This included 21% who were Hispanic or Latino, and 10% who were black or African American. In 2002, racial or ethnic minorities officers constituted 32.4% of federal officers. * About 60% of federal agencies authorized shotguns or manual rifles for officers while on duty in 2020. Fifty percent authorized semiautomatic rifles and 20% authorized fully automatic rifles for officers while on duty.

List of agencies and units of agencies

Agencies in bold text are law enforcement agencies (LEAs).

Executive Branch

Department of Agriculture

* Office of the Secretary of Agriculture ** Protective Operations Division (POD) * Office of Inspector General (USDA-OIG) *

United States Forest Service The United States Forest Service (USFS) is an agency of the U.S. Department of Agriculture that administers the nation's 154 national forests and 20 national grasslands. The Forest Service manages of land. Major divisions of the agency inc ...

(USFS) ** U.S. Forest Service Law Enforcement & Investigations (USFS LEI)

Department of Commerce

* Office of Inspector General (DOC-OIG) * Office of Security (DOC OS) US DOC Office of Security

**US Commerce Department Police *

Bureau of Industry and Security The Bureau of Industry and Security (BIS) is an agency of the United States Department of Commerce that deals with issues involving national security and high technology. A principal goal for the bureau is helping stop the proliferation of weapo ...

(BIS) **

Office of Export Enforcement The Office of Export Enforcement (OEE) is a part of the United States Department of Commerce, Bureau of Industry and Security. BIS is the principal agency involved in the development, implementation, and enforcement of export controls for commer ...

(OEE) *

National Institute of Standards and Technology The National Institute of Standards and Technology (NIST) is an agency of the United States Department of Commerce whose mission is to promote American innovation and industrial competitiveness. NIST's activities are organized into physical sci ...

(NIST) ** National Institute of Standards and Technology Police *

National Oceanic and Atmospheric Administration The National Oceanic and Atmospheric Administration (abbreviated as NOAA ) is an United States scientific and regulatory agency within the United States Department of Commerce that forecasts weather, monitors oceanic and atmospheric conditio ...

(NOAA) **

National Marine Fisheries Service The National Marine Fisheries Service (NMFS), informally known as NOAA Fisheries, is a United States federal agency within the U.S. Department of Commerce's National Oceanic and Atmospheric Administration (NOAA) that is responsible for the ste ...

(NMFS) *** Office of Law Enforcement (OLE)

Department of Defense Department of Defence or Department of Defense may refer to: Current departments of defence * Department of Defence (Australia) * Department of National Defence (Canada) * Department of Defence (Ireland) * Department of National Defense (Philipp ...

Office of Inspector General In the United States, Office of Inspector General (OIG) is a generic term for the oversight division of a federal or state agency aimed at preventing inefficient or unlawful operations within their parent agency. Such offices are attached to ma ...

(DOD-OIG) **

Defense Criminal Investigative Service The Defense Criminal Investigative Service is the criminal investigative arm of the Office of Inspector General, U.S. Department of Defense. DCIS protects military personnel by investigating cases of fraud, bribery, and corruption; preventing the ...

(DCIS) *

Pentagon Force Protection Agency The Pentagon Force Protection Agency (PFPA) is a federal law enforcement agency within the U.S. Department of Defense (DoD) charged with protecting and safeguarding the occupants, visitors, and infrastructure of The Pentagon, the Mark Center Bui ...

(PFPA) **

United States Pentagon Police The Pentagon Police Division (PPD) is the uniformed division of the Pentagon Force Protection Agency (PFPA). PPD's role is to provide law enforcement and protective security services for The Pentagon and other Office of the Secretary of Defense ( ...

(USPPD) *

Department of Defense Police United States Department of Defense Police (or DoD Police) are the uniformed civilian police officers of the United States Department of Defense, various branches of the United States Armed Forces (such as the Department of the Navy), or specific ...

(DOD Police) ' *

Defense Logistics Agency The Defense Logistics Agency (DLA) is a combat support agency in the United States Department of Defense, United States Department of Defense (DoD), with more than 26,000 civilian and military personnel throughout the world. Located in 48 state ...

(DLA) ** Defense Logistics Agency Police *

National Security Agency The National Security Agency (NSA) is a national-level intelligence agency of the United States Department of Defense, under the authority of the Director of National Intelligence (DNI). The NSA is responsible for global monitoring, collecti ...

(NSA) ** National Security Agency Police *

Defense Intelligence Agency The Defense Intelligence Agency (DIA) is an intelligence agency and combat support agency of the United States Department of Defense, specializing in defense and military intelligence. A component of the Department of Defense (DoD) and the I ...

(DIA) ** Defense Intelligence Agency Police *

National Geospatial-Intelligence Agency The National Geospatial-Intelligence Agency (NGA) is a combat support agency within the United States Department of Defense whose primary mission is collecting, analyzing, and distributing geospatial intelligence (GEOINT) in support of national ...

(NGA) ** National Geospatial-Intelligence Agency Police * Department of the Army **

United States Army Criminal Investigation Division The United States Army Criminal Investigation Division (USACID), previously known as the United States Army Criminal Investigation Command (USACIDC) is the primary federal law enforcement agency of the United States Department of the Army. Its ...

(USACID) **

United States Army Counterintelligence United States Army Counterintelligence (ACI) is the component of United States Army Military Intelligence which conducts counterintelligence activities to detect, identify, assess, counter, exploit and/or neutralize adversarial, foreign intellige ...

(ACI) **

United States Army Military Police Corps The United States Army Military Police Corps (USAMPC) is the uniformed law enforcement branch of the United States Army. Investigations are conducted by Military Police Investigators under the Provost Marshal General's Office or Special Agents ...

(USAMPC) **

Department of the Army Civilian Police The Department of the Army Civilian Police (DACP) are the civilian federal law enforcement bodies of the Department of the Army of the United States of America. There is no centralized DACP agency, with all civilian law enforcement agencies of t ...

(DACP) *** includes Department of the Army Civilian Guards (DASG) **

United States Army Corrections Command The United States Army Corrections Command (ACC) exercises command and control and operational oversight for policy, programming, resourcing, and support of Army Corrections System (ACS) facilities and TDA elements worldwide. On order, ACC coor ...

(USACC) *

Department of the Navy Navy Department or Department of the Navy may refer to: * United States Department of the Navy, * Navy Department (Ministry of Defence), in the United Kingdom, 1964-1997 * Confederate States Department of the Navy, 1861-1865 * Department of the ...

Naval Criminal Investigative Service The United States Naval Criminal Investigative Service (NCIS) is the primary law enforcement agency of the U.S. Department of the Navy. Its primary function is to investigate criminal activities involving the Navy and Marine Corps, though its ...

(NCIS) **

United States Marine Corps Criminal Investigation Division The United States Marine Corps Criminal Investigation Division (Marine Corps CID or USMC CID) is a federal law enforcement agency that investigates crimes against people and property within the United States Marine Corps. Overview The United Sta ...

(USMC CID) ** United States Navy Master-at-Arms (military police) **

Department of the Navy Police The United States Department of the Navy Police is the civilian law enforcement programme of the U.S. Navy, in that it provides professional, civilian, federal police officers, to serve and protect the US Navy community. It works alongside the ...

(civilian police) **

United States Marine Corps Military Police The United States Marine Corps Military Police is the uniformed law enforcement branch of the United States Marine Corps. Mission United States Marine Corps Military Police provide the Marine air-ground task force, component, and combatant com ...

United States Marine Corps Civilian Police The United States Marine Corps Civilian Police is the civilian law enforcement agency of the United States Marine Corps. Officially called the "Marine Corps Law Enforcement Program" (MCLEP), the agency is composed of civilian (non-military) fed ...

Department of the Air Force The United States Department of the Air Force (DAF) is one of the three military departments within the Department of Defense of the United States of America. The Department of the Air Force was formed on September 18, 1947, per the National Sec ...

Department of the Air Force Office of Special Investigations The Department of the Air Force Office of Special Investigations (OSI) is a U.S. federal law enforcement agency that reports directly to the Secretary of the Air Force. OSI is also a U.S. Air Force field operating agency under the administrati ...

(OSI) **

Air Force Security Forces Center The Air Force Security Forces Center (AFSFC) organizes, trains, and equips Air Force security forces worldwide. It develops force protection doctrine, programs, and policies by planning and programming resources to execute the missions of nucle ...

(AFSFC) **

United States Air Force Security Forces The United States Air Force Security Forces (SF) are the ground combat force and military police service of the U.S. Air Force and U.S. Space Force. USAF Security Forces (SF) were formerly known as Military Police (MP), Air Police (AP), and Se ...

(military police) **

Department of the Air Force Police The United States Department of the Air Force Police (DAF Police) are the civilian uniformed police service of the United States Department of the Air Force, responsible for the force protection of assets and all aspects of law enforcement on U ...

(civilian police) *** ''includes Department of Air Force Civilian Guards (DAF Guard)''

Department of Education An education ministry is a national or subnational government agency politically responsible for education. Various other names are commonly used to identify such agencies, such as Ministry of Education, Department of Education, and Ministry of Pub ...

Seal of the United States Department of Education

* Office of Inspector General (ED-OIG) * Protective Service Division (ED-PSD) *

Office for Civil Rights The Office for Civil Rights (OCR) is a sub-agency of the U.S. Department of Education that is primarily focused on enforcing civil rights laws prohibiting schools from engaging in discrimination on the basis of race, color, national origin, sex ...

(OCR)

Department of Energy A Ministry of Energy or Department of Energy is a government department in some countries that typically oversees the production of fuel and electricity; in the United States, however, it manages nuclear weapons development and conducts energy-rel ...

Seal of the United States Department of Energy

* Office of Inspector General (DOE-OIG) * Office of Health, Safety and Security (DOE-HSS) *

National Nuclear Security Administration The National Nuclear Security Administration (NNSA) is a United States federal agency responsible for safeguarding national security through the military application of Nuclear physics, nuclear science. NNSA maintains and enhances the Stockpil ...

(NNSA) ** Office of Secure Transportation (OST) **

Federal Protective Forces The Federal Protective Forces (also known as FPF, Protective Forces or ProFor) are paramilitary forces of the United States Department of Energy (DOE) responsible for the protection of Category I special nuclear material. Though officially clas ...

Department of Health and Human Services The United States Department of Health and Human Services (HHS) is a cabinet-level executive branch department of the U.S. federal government created to protect the health of all Americans and providing essential human services. Its motto is ...

US Department of Health and Human Services seal

(HHS-OIG) *

United States Food and Drug Administration The United States Food and Drug Administration (FDA or US FDA) is a federal agency of the Department of Health and Human Services. The FDA is responsible for protecting and promoting public health through the control and supervision of food s ...

(HHSFDA) **

Office of Criminal Investigations The United States Food and Drug Administration (FDA) Office of Criminal Investigations (OCI) provides the FDA with a specific office to conduct and coordinate its criminal investigations. OCI special agents employ federal law enforcement methods ...

(OCI) *

National Institutes of Health The National Institutes of Health, commonly referred to as NIH (with each letter pronounced individually), is the primary agency of the United States government responsible for biomedical and public health research. It was founded in the late ...

(NIH) **

National Institutes of Health Police The National Institutes of Health Division of Police (NIH DP) are the police force that police and protect National Institutes of Health (NIH) people and property. Locations The NIH in Bethesda, Maryland, consists of approximately 75 buildings t ...

Department of Homeland Security The United States Department of Homeland Security (DHS) is the U.S. federal executive department responsible for public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terr ...

Seal of the United States Department of Homeland Security

(DHS-OIG) * Federal Protective Service (FPS) *

Federal Law Enforcement Training Centers The Federal Law Enforcement Training Centers (FLETC) serves as an interagency law enforcement training body for 105 United States government federal law enforcement agencies. The stated mission of FLETC is to "...train those who protect our home ...

(FLETC) **Office of the Chief Security Officer (OCSO) *

United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mult ...

(USCG) **

Coast Guard Investigative Service The Coast Guard Investigative Service (CGIS) is a division of the United States Coast Guard that investigates crimes where the U.S. Coast Guard has an interest. It is composed of civilian ( GS-1811), active duty, reserve enlisted, and warrant offic ...

(CGIS) **

United States Coast Guard Police The United States Coast Guard Police (CGPD) are law enforcement units stationed at certain shore facilities of the United States Coast Guard. Uniform Officers wear a modified Operational Dress Uniform (ODU) with "CGPD" collar devices in ...

(CGPD) *

United States Customs and Border Protection United States Customs and Border Protection (CBP) is the largest federal law enforcement agency of the United States Department of Homeland Security. It is the country's primary border control organization, charged with regulating and facilit ...

(CBP) **

(USBP) **

CBP Air and Marine Operations Air and Marine Operations (AMO) is a federal law enforcement component within U.S. Customs and Border Protection (CBP), an agency of the United States Department of Homeland Security (DHS). AMO's mission is to protect the American people and na ...

(AMO) ** CBP Office of Field Operations (OFO) *

Federal Emergency Management Agency The Federal Emergency Management Agency (FEMA) is an agency of the United States Department of Homeland Security (DHS), initially created under President Jimmy Carter by Presidential Reorganization Plan No. 3 of 1978 and implemented by two Exec ...

(FEMA) **

Mount Weather Emergency Operations Center The Mount Weather Emergency Operations Center is a government command facility in the U.S. Commonwealth of Virginia, used as the center of operations for the Federal Emergency Management Agency (FEMA). Also known as the High Point Special Facili ...

***Mount Weather Emergency Operations Center Police ** Office of Chief Security Officer (OCSO) *

United States Immigration and Customs Enforcement The U.S. Immigration and Customs Enforcement (ICE) is a Federal law enforcement in the United States, federal law enforcement agency under the U.S. Department of Homeland Security. ICE's stated mission is to protect the United States from the c ...

(ICE) **

Homeland Security Investigations The U.S. Immigration and Customs Enforcement (ICE) is a federal law enforcement agency under the U.S. Department of Homeland Security. ICE's stated mission is to protect the United States from the cross-border crime and illegal immigration tha ...

(HSI) ** Enforcement Removal Operations (ERO) ** Office of Intelligence **

Office of Professional Responsibility The Office of Professional Responsibility (OPR), part of the United States Department of Justice (DOJ) and supervised by the FBI, is responsible for investigating lawyers employed by the Department of Justice who have been accused of misconduct ...

(OPR) *

United States Secret Service The United States Secret Service (USSS or Secret Service) is a federal law enforcement agency under the Department of Homeland Security charged with conducting criminal investigations and protecting U.S. political leaders, their families, and ...

(USSS) **

United States Secret Service Uniformed Division The United States Secret Service Uniformed Division (USSS UD) is the security police force of the U.S. Secret Service, similar to the U.S. Capitol Police or DHS Federal Protective Service. It is in charge of protecting the physical White House gro ...

(USSS UD) *

(TSA) ** Office of Law Enforcement (OLE)/ Federal Air Marshal Service (FAMS) *** Federal Flight Deck Officer (FFDO) ** Office of Inspection (OI) *

United States Citizenship and Immigration Services U.S. Citizenship and Immigration Services (USCIS) is an agency of the United States Department of Homeland Security (DHS) that administers the country's naturalization and immigration system. It is a successor to the Immigration and Naturalizati ...

(USCIS) ** Fraud Detection and National Security Directorate (FDNS)

Department of Housing and Urban Development

* Office of Inspector General (HUD-OIG) * Protective Service Division (HUD-PSD)

Department of the Interior

* Office of Inspector General (DOI-OIG) *

Bureau of Indian Affairs The Bureau of Indian Affairs (BIA), also known as Indian Affairs (IA), is a United States federal agency within the Department of the Interior. It is responsible for implementing federal laws and policies related to American Indians and A ...

(BIA) *Office of Justice Services ** Bureau of Indian Affairs Police *

Bureau of Land Management The Bureau of Land Management (BLM) is an agency within the United States Department of the Interior responsible for administering federal lands. Headquartered in Washington DC, and with oversight over , it governs one eighth of the country's la ...

(BLM) ** Office of Law Enforcement *

United States Bureau of Reclamation The Bureau of Reclamation, and formerly the United States Reclamation Service, is a federal agency under the U.S. Department of the Interior, which oversees water resource management, specifically as it applies to the oversight and opera ...

(BOR) ** Bureau of Reclamation Security Response Force (SRF) formerly known as (

Hoover Dam Police The Hoover Dam Police, officially the Bureau of Reclamation Police, was a federal security police force, stationed at Hoover Dam southeast of Las Vegas. Reclamation Police Officers were stationed only at Hoover Dam. Hoover Dam was both listed on ...

), that covers

Hoover Dam Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on Se ...

Grand Coulee Dam Grand Coulee Dam is a concrete gravity dam on the Columbia River in the U.S. state of Washington, built to produce hydroelectric power and provide irrigation water. Constructed between 1933 and 1942, Grand Coulee originally had two powerh ...

and

Glen Canyon Dam Glen Canyon Dam is a concrete arch-gravity dam on the Colorado River in northern Arizona, United States, near the town of Page, Arizona, Page. The high dam was built by the U.S. Bureau of Reclamation (USBR) from 1956 to 1966 and forms Lake Powe ...

National Park Service The National Park Service (NPS) is an agency of the United States federal government within the U.S. Department of the Interior that manages all national parks, most national monuments, and other natural, historical, and recreational propertie ...

(NPS) ** U.S. Park Ranger **

United States Park Police The United States Park Police (USPP) is one of the oldest uniformed federal law enforcement agencies in the United States. It functions as a full-service law enforcement agency with responsibilities and jurisdiction in those National Park Servic ...

* Office of Surface Mining Reclamation and Enforcement (OSMRE) *

United States Fish and Wildlife Service The United States Fish and Wildlife Service (USFWS or FWS) is an agency within the United States Department of the Interior dedicated to the management of fish, wildlife, and natural habitats. The mission of the agency is "working with othe ...

(USFWS) ** Office of Law Enforcement (FWS OLE) ** Division of Refuge Law Enforcement

Department of Justice A justice ministry, ministry of justice, or department of justice is a ministry or other government agency in charge of the administration of justice. The ministry or department is often headed by a minister of justice (minister for justice in a ...

Seal of the United States Department of Justice

Office of the Inspector General In the United States, Office of Inspector General (OIG) is a generic term for the oversight division of a federal or state agency aimed at preventing inefficient or unlawful operations within their parent agency. Such offices are attached to ma ...

(DOJ-OIG) *

(ATF) *

(DEA) *

(FBI) **

FBI Police The FBI Police is the uniformed security police of the Federal Bureau of Investigation (FBI) and is part of the Bureau's Security Division. The FBI Police is tasked with protecting key FBI facilities, properties, personnel, users, visitors, infor ...

** FBI Academy *

(BOP) *

(USMS) *

(DOJ OPR)

Department of Labor The Ministry of Labour ('' UK''), or Labor ('' US''), also known as the Department of Labour, or Labor, is a government department responsible for setting labour standards, labour dispute mechanisms, employment, workforce participation, training, a ...

Seal of the United States Department of Labor

(DOL-OIG)

Department of State

(DOS-OIG) *

Bureau of Diplomatic Security The Bureau of Diplomatic Security, commonly known as Diplomatic Security (DS), is the security branch of the United States Department of State. It conducts international investigations, threat analysis, cyber security, counterterrorism, and p ...

(DS) **

Diplomatic Security Service The Diplomatic Security Service (DSS or DS) is a security and law enforcement agency that acts as the operational division of the Bureau of Diplomatic Security, which is a branch of the United States Department of State. Its primary mission is ...

(DSS)

Department of Transportation

(DOT-OIG) *

United States Merchant Marine Academy The United States Merchant Marine Academy (USMMA or Kings Point) is a United States service academy in Kings Point, New York. It trains its midshipmen (as students at the academy are called) to serve as officers in the United States Merchant ...

** Department of Public Safety (USMMADPS) *

National Highway Traffic Safety Administration The National Highway Traffic Safety Administration (NHTSA ) is an agency of the U.S. federal government, part of the Department of Transportation. It describes its mission as "Save lives, prevent injuries, reduce vehicle-related crashes" rela ...

** Office of Odometer Fraud Investigation (OFI)

Department of the Treasury

* Office of Inspector General (USDT-OIG) *

Bureau of Engraving and Printing The Bureau of Engraving and Printing (BEP) is a government agency within the United States Department of the Treasury that designs and produces a variety of security products for the United States government, most notable of which is Federal Rese ...

** Bureau of Engraving and Printing Police *

Financial Crimes Enforcement Network The Financial Crimes Enforcement Network (FinCEN) is a bureau of the United States Department of the Treasury that collects and analyzes information about financial transactions in order to combat domestic and international money laundering, terr ...

(FINCEN) *

Internal Revenue Service The Internal Revenue Service (IRS) is the revenue service for the United States federal government, which is responsible for collecting U.S. federal taxes and administering the Internal Revenue Code, the main body of the federal statutory ta ...

(IRS) **

Criminal Investigation Criminal investigation is an applied science that involves the study of facts that are then used to inform criminal trials. A complete criminal investigation can include searching, interviews, interrogations, evidence collection and preservatio ...

(IRS-CI) *

United States Mint Police The United States Mint Police (USMP) is a U.S. federal law enforcement agency responsible for the protection of the facilities of the U.S. Mint. In 2004 they employed 376 police officers. History The United States Mint Police was founded in 179 ...

(USMP) *

Treasury Inspector General for Tax Administration The Treasury Inspector General for Tax Administration (TIGTA) is an office in the United States Federal government. It was established in January 1999 in accordance with the Internal Revenue Service Restructuring and Reform Act of 1998 (RRA 98) ...

(TIGTA) *

Special Inspector General for Pandemic Recovery The Special Inspector General for Pandemic Recovery (SIGPR) is an Inspector General position created by the Coronavirus Aid, Relief, and Economic Security (CARES) Act of 2020 to oversee spending of government funds in response to the COVID-19 ...

(SIGPR)https://crsreports.congress.gov/product/pdf/IN/IN11328 * Special Inspector General for the

Troubled Asset Relief Program The Troubled Asset Relief Program (TARP) is a program of the United States government to purchase toxic assets and equity from financial institutions to strengthen its financial sector that was passed by Congress and signed into law by President ...

(SIGTARP)

Department of Veterans Affairs The United States Department of Veterans Affairs (VA) is a Cabinet-level executive branch department of the federal government charged with providing life-long healthcare services to eligible military veterans at the 170 VA medical centers an ...

* Office of Inspector General (VA-OIG) * Veterans Affairs Police

Legislative Branch A legislature is an assembly with the authority to make laws for a political entity such as a country or city. They are often contrasted with the executive and judicial powers of government. Laws enacted by legislatures are usually known as ...

Sergeant at Arms of the United States House of Representatives The Sergeant at Arms of the United States House of Representatives is an officer of the House with law enforcement, protocol, and administrative responsibilities. The Sergeant at Arms is elected at the beginning of each Congress by the membershi ...

Sergeant at Arms of the United States Senate The Sergeant at Arms and Doorkeeper of the United States Senate (originally known as the Doorkeeper of the Senate from April 7, 1789 – 1798) is the protocol officer, executive officer, and highest-ranking federal law enforcement officer of the ...

United States Capitol Police The United States Capitol Police (USCP) is a federal law enforcement agency in the United States with nationwide jurisdiction charged with protecting the United States Congress within the District of Columbia and throughout the United States an ...

(USCP) ** Office of Inspector General (USCP OIG) ** Office of Professional Responsibility (USCP OPR) *

Library of Congress The Library of Congress (LOC) is the research library that officially serves the United States Congress and is the ''de facto'' national library of the United States. It is the oldest federal cultural institution in the country. The library is ...

(LOC) ** Office of Inspector General (LOC-OIG) *

Government Publishing Office The United States Government Publishing Office (USGPO or GPO; formerly the United States Government Printing Office) is an agency of the legislative branch of the United States Federal government. The office produces and distributes information ...

(GPO) ** Office of Inspector General (GPO-OIG) ** United States Government Publishing Office#GPO Police, Government Publishing Office Police

Judicial Branch

* Marshal of the United States Supreme Court ** Supreme Court Police, United States Supreme Court Police * Administrative Office of the United States Courts (AOUSC) ** U.S. Probation and Pretrial Services System, Office of Probation and Pretrial Services (Federal Probation Officers)

Other federal law enforcement agencies

Independent Agencies and federally-administered institutions; * Central Intelligence Agency ** Security Protective Service (CIA SPS) * United States Environmental Protection Agency **Office of Inspector General (EPA-OIG) ** Office of Enforcement and Compliance Assurance (OECA) ***Criminal Investigation Division * National Gallery of Art ** Office of Protection Services * NASA ** NASA Office of Inspector General, Office of Inspector General (NASA-OIG) ** Office of Protective Services (NASA OPS) * United States Office of Personnel Management (OPM) ** Office of Inspector General (OPM OIG) * United States Postal Service (USPS) ** United States Postal Service Office of Inspector General, Office of Inspector General (USPS-OIG) ** United States Postal Inspection Service (USPIS) *** United States Postal Inspection Service#Police Force, U.S. Postal Police * Smithsonian Institution (SI) **Office of Inspector General (United States), Office of Inspector General (SI-OIG) ** Smithsonian Police, Office of Protection Services ** Smithsonian Police#Positions, National Zoological Park Police (NZPP) * Amtrak ** Office of Inspector General (Amtrak-OIG) ** Office of Security Strategy and Special Operations (OSSSO) ** Amtrak Police Department *Federal Reserve, Federal Reserve System **Office of Inspector General (FRB/Consumer Financial Protection Bureau, CFPB-OIG) ** Federal Reserve Police **Federal Reserve Board of Governors *** Federal Reserve Board Police * Tennessee Valley Authority ** Office of Inspector General (TVA-OIG) ** Tennessee Valley Authority Police (TVAP) * Nuclear Regulatory Commission (NRC) ** Office of Inspector General (NRC-OIG) * National Science Foundation (NSF) ** Office of Inspector General (NSF-OIG) * National Archives and Records Administration (NARA) ** Office of Inspector General (NARA-OIG) * Peace Corps (PC) ** Office of Inspector General (PC-OIG) * Railroad Retirement Board (RRB) ** Office of Inspector General (RRB-OIG) * Small Business Administration (SBA) ** Office of Inspector General (SBA-OIG) * Federal Deposit Insurance Corporation (FDIC) ** Office of Inspector General (FDIC-OIG) * General Services Administration (GSA) ** Office of Inspector General (GSA-OIG) * Social Security Administration (SSA) ** Office of Inspector General (SSA-OIG) * United States Agency for International Development ** Office of Inspector General (AID-OIG) * Corporation for National and Community Service (CNCS) ** Office of Inspector General (CNCS-OIG)

List of former agencies and units of agencies

* Internal Revenue Service, Bureau of Internal Revenue, Narcotic Division (1921-1927) (transferred to Bureau of Prohibition) * Bureau of Prohibition, Narcotic Division (1927-1930) (merged into Federal Bureau of Narcotics) * Federal Bureau of Narcotics, Federal Narcotics Control Board (FNCB) (1922-1930) (merged into Federal Bureau of Narcotics) * White House Police Force (1922-1930) (became part of the United States Secret Service. It was renamed the Executive Protective Service in 1970 and then the Uniformed Division of the Secret Service in 1977) * Steamboat Inspection Service (1871-1932) (merged into Bureau of Marine Inspection and Navigation) * Bureau of Navigation, Bureau of Marine Inspection and Navigation (1884-1946) (functions split between U.S. Customs Service and U.S. Coast Guard) * Federal Bureau of Narcotics (FBN) (1930-1968) (merged into Bureau of Narcotics and Dangerous Drugs) * Bureau of Drug Abuse Control (1966-1968) (merged into Bureau of Narcotics and Dangerous Drugs) * Bureau of Narcotics and Dangerous Drugs (BNDD) (1968-1973) (merged into Drug Enforcement Administration) * Office of Drug Abuse Law Enforcement (ODALE) (1972-1973) (merged into Drug Enforcement Administration) * Office of National Narcotics Intelligence (ONNI) (1972-1973) (merged into Drug Enforcement Administration) * Bureau of Secret Intelligence (BSI) (1916-1985) (replaced by Diplomatic Security Service) * United States Treasury Police (TPF) (1879-1986) (merged with the Uniformed Division of the Secret Service) *

(1789-2003) (functions split between U.S. Customs and Border Protection and U.S. Immigration and Customs Enforcement) * Immigration and Naturalization Service (INS) (1940-2003) (functions transferred to three new entities – U.S. Citizenship and Immigration Services, U.S. Immigration and Customs Enforcement, and U.S. Customs and Border Protection.) * Library of Congress Police (LCP) (1950-2009) (merged into the United States Capitol Police) *

(1931-2017) Merged with the Department of Interior * Federal Investigative Services Division (replaced by National Background Investigations Bureau in 2016) * National Background Investigations Bureau (2016-2019) (merged with Defense Counterintelligence and Security Agency) * Defense Counterintelligence and Security Agency, Defense Investigative Service (DSS) (1972-1999) (changed to Defense Security Service) * Defense Counterintelligence and Security Agency, Defense Security Service (DSS) (1999-2019) (merged with Defense Counterintelligence and Security Agency)

References

External links

{{DEFAULTSORT:Federal Law Enforcement In The United States Federal law enforcement in the United States, Federal law enforcement agencies of the United States, Lists of government agencies in the United States Lists of law enforcement agencies, United States fr:Police aux États-Unis#État fédéral