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 confli ...

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 States ...

. 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 Stat ...

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 enforcem ...

(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 United States federal law enforcement agency under the U.S. Department of Justice tasked with combating drug trafficking and distribution within the U.S. It is the lead agency for domestic en ...

(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 preve ...

(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 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-ter ...

(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 commerc ...

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 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), the U.S. Coast Guard (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 (CBP) (created by combining the former agencies of the

United States Border Patrol The United States Border Patrol (USBP) is a federal law enforcement agency under the United States' Customs and Border Protection and is responsible for securing the borders of the United States. According to its web site in 2022, its mission ...

, United States Customs Service, and the

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

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 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 enforceme ...

dates to 1789. Other agencies, such as the FBI, are relatively recent, being founded in the early twentieth century. Other agencies have been reformed, such as the ATF 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 ATF. 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 An agriculture ministry (also called an) agriculture department, agriculture board, agriculture council, or agriculture agency, or ministry of rural development) is a ministry charged with agriculture. The ministry is often headed by a minister ...

Seal of the United States 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 United States Department of Agriculture, U.S. Department of Agriculture that administers the nation's 154 United States National Forest, national forests and 20 United States Nationa ...

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

Department of Commerce The United States Department of Commerce is an executive department of the U.S. federal government concerned with creating the conditions for economic growth and opportunity. Among its tasks are gathering economic and demographic data for busi ...

Seal of the United States 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 (BIS) ** Office of Export Enforcement (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 s ...

(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 conditi ...

(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 stew ...

(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 (DOD-OIG) ** Defense Criminal Investigative Service (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 (O ...

(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 (DoD), with more than 26,000 civilian and military personnel throughout the world. Located in 48 states and 28 countries, DLA provides su ...

(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 ...

(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 natio ...

(NGA) ** National Geospatial-Intelligence Agency Police *

Department of the Army The United States Department of the Army (DA) is one of the three military departments within the Department of Defense of the U.S. The Department of the Army is the federal government agency within which the United States Army (U.S.) is org ...

** United States Army Criminal Investigation Division (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 intellig ...

(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 (DACP) *** includes Department of the Army Civilian Guards (DASG) ** United States Army Corrections Command (USACC) * Department of the Navy **

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 (civilian police) ** United States Marine Corps Military Police ** United States Marine Corps Civilian Police * Department of the Air Force ** Department of the Air Force Office of Special Investigations (OSI) ** Air Force Security Forces Center (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 (civilian police) *** ''includes Department of Air Force Civilian Guards (DAF Guard)''

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, se ...

(OCR)

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 science. NNSA maintains and enhances the safety, security, and ef ...

(NNSA) **

Office of Secure Transportation The U.S. Department of Energy/National Nuclear Security Administration's Office of Secure Transportation (OST) provides safe and secure transportation of nuclear weapons and components and special nuclear materials, and conducts other missions suppo ...

(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

* Office of Inspector General (HHS-OIG) * United States Food and Drug Administration (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 lat ...

(NIH) ** National Institutes of Health Police

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-ter ...

Seal of the United States Department of Homeland Security

* Office of Inspector General (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, m ...

(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 offi ...

(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 (AMO) **

CBP Office of Field Operations The Office of Field Operations (OFO) is a federal law enforcement agency within the U.S. Customs and Border Protection (CBP) responsible for managing United States customs operations at 20 Field Operations offices, 328 ports of entry, and 16 pre-c ...

(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 Ex ...

(FEMA) ** Mount Weather Emergency Operations Center ***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 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 ...

(ICE) ** Homeland Security Investigations (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 The Federal Air Marshal Service (FAMS) is a United States federal law enforcement agency under the supervision of the Transportation Security Administration (TSA) of the United States Department of Homeland Security (DHS). Because of the natu ...

(FAMS) ***

Federal Flight Deck Officer A Federal Flight Deck Officer (FFDO) is a Part 121 Airline Pilot who is trained and licensed to carry weapons and defend commercial aircraft against criminal activity and terrorism. The Federal Flight Deck Officer program is run by the Federal Air ...

(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 The United States Department of Housing and Urban Development (HUD) is one of the executive departments of the U.S. federal government. It administers federal housing and urban development laws. It is headed by the Secretary of Housing and Ur ...

Seal of the United States Department of Housing and Urban Development

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

Department of the Interior The United States Department of the Interior (DOI) is one of the executive departments of the U.S. federal government headquartered at the Main Interior Building, located at 1849 C Street NW in Washington, D.C. It is responsible for the ma ...

Seal of the United States 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 The Bureau of Indian Affairs Police, Office of Justice Services (BIA or BIA-OJS), also known as BIA Police, is the law enforcement arm of the United States Bureau of Indian Affairs. The BIA's official mission is to "uphold the constitutional so ...

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 ...

(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 o ...

), 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 S ...

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 powerho ...

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. The high dam was built by the U.S. Bureau of Reclamation (USBR) from 1956 to 1966 and forms Lake Powell, one of t ...

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 properti ...

(NPS) ** U.S. Park Ranger ** United States Park Police * 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 (DOJ-OIG) *

(ATF) *

(DEA) *

(FBI) ** FBI Police **

FBI Academy The FBI Academy is the Federal Bureau of Investigation's law enforcement training and research center near the town of Quantico in Stafford County, Virginia. Operated by the bureau's Training Division, it was first opened for use on May 7, 19 ...

(BOP) *

(USMS) *

(DOJ OPR)

Department of Labor

* Office of Inspector General (DOL-OIG)

Department of State The United States Department of State (DOS), or State Department, is an executive department of the U.S. federal government responsible for the country's foreign policy and relations. Equivalent to the ministry of foreign affairs of other na ...

* Office of Inspector General (DOS-OIG) * Bureau of Diplomatic Security (DS) ** Diplomatic Security Service (DSS)

Department of Transportation

* Office of Inspector General (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" relat ...

** 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 Re ...

** Bureau of Engraving and Printing Police * Financial Crimes Enforcement Network (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 t ...

(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 preservat ...

(IRS-CI) * United States Mint Police (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) t ...

(TIGTA) * Special Inspector General for Pandemic Recovery (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 ...

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 *

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 libra ...

(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) ** Government Publishing Office Police

Judicial Branch

Marshal of the United States Supreme Court The Marshal of the United States Supreme Court heads the United States Supreme Court Police, a security police service answerable to the court itself rather than to the president or attorney general. They handle security for the Supreme Cour ...

United States Supreme Court Police The Supreme Court of the United States Police is a federal law enforcement agency that derives its authority from . The Supreme Court Police enforce federal and District of Columbia laws and regulations, as well as enforce regulations governing ...

Administrative Office of the United States Courts The Administrative Office of the United States Courts (AO) is the administrative agency of the United States federal court system, established in 1939. The central support entity for the federal judicial branch, the AO provides a wide range of l ...

(AOUSC) ** Office of Probation and Pretrial Services (Federal Probation Officers)

Other federal law enforcement agencies

Independent Agencies and federally-administered institutions; *

Central Intelligence Agency The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, ...

** Security Protective Service (CIA SPS) *

United States Environmental Protection Agency The Environmental Protection Agency (EPA) is an independent executive agency of the United States federal government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it ...

**Office of Inspector General (EPA-OIG) ** Office of Enforcement and Compliance Assurance (OECA) ***Criminal Investigation Division *

National Gallery of Art The National Gallery of Art, and its attached Sculpture Garden, is a national art museum in Washington, D.C., United States, located on the National Mall, between 3rd and 9th Streets, at Constitution Avenue NW. Open to the public and free of ch ...

** Office of Protection Services *

NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeedin ...

** Office of Inspector General (NASA-OIG) ** Office of Protective Services (NASA OPS) *

United States Office of Personnel Management The United States Office of Personnel Management (OPM) is an independent agency of the United States Federal Government that manages the US civilian service. The agency provides federal human resources policy, oversight and support, and tends ...

(OPM) ** Office of Inspector General (OPM OIG) *

United States Postal Service The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or Postal Service, is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the ...

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

United States 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 enf ...

(USPIS) *** U.S. Postal Police *

Smithsonian Institution The Smithsonian Institution ( ), or simply the Smithsonian, is a group of museums and education and research centers, the largest such complex in the world, created by the U.S. government "for the increase and diffusion of knowledge". Found ...

(SI) ** Office of Inspector General (SI-OIG) ** Office of Protection Services ** National Zoological Park Police (NZPP) *

Amtrak The National Railroad Passenger Corporation, doing business as Amtrak () , is the national passenger railroad company of the United States. It operates inter-city rail service in 46 of the 48 contiguous U.S. States and nine cities in Canada. ...

** Office of Inspector General (Amtrak-OIG) ** Office of Security Strategy and Special Operations (OSSSO) **

Amtrak Police Department The Amtrak Police Department (APD) is a quasi-federal railroad police department and the law enforcement agency of Amtrak (also known as the National Railroad Passenger Corporation), the government-owned passenger train system in the United Sta ...

Federal Reserve System The Federal Reserve System (often shortened to the Federal Reserve, or simply the Fed) is the central banking system of the United States of America. It was created on December 23, 1913, with the enactment of the Federal Reserve Act, after ...

**Office of Inspector General (FRB/ CFPB-OIG) **

Federal Reserve Police The U.S. Federal Reserve Police is the law enforcement unit of the Federal Reserve System, the central banking system of the United States. History Federal Reserve System Law Enforcement Officers derive their authority from Section 11(q) of ...

Federal Reserve Board of Governors The Board of Governors of the Federal Reserve System, commonly known as the Federal Reserve Board, is the main governing body of the Federal Reserve System. It is charged with overseeing the Federal Reserve Banks and with helping implement the m ...

*** Federal Reserve Board Police *

Tennessee Valley Authority The Tennessee Valley Authority (TVA) is a federally owned electric utility corporation in the United States. TVA's service area covers all of Tennessee, portions of Alabama, Mississippi, and Kentucky, and small areas of Georgia, North Carolin ...

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

Tennessee Valley Authority Police The Tennessee Valley Authority (TVA) is a federally owned electric utility corporation in the United States. TVA's service area covers all of Tennessee, portions of Alabama, Mississippi, and Kentucky, and small areas of Georgia, North Carolina ...

(TVAP) *

Nuclear Regulatory Commission The Nuclear Regulatory Commission (NRC) is an independent agency of the United States government tasked with protecting public health and safety related to nuclear energy. Established by the Energy Reorganization Act of 1974, the NRC began opera ...

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

National Science Foundation The National Science Foundation (NSF) is an independent agency of the United States government that supports fundamental research and education in all the non-medical fields of science and engineering. Its medical counterpart is the National ...

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

National Archives and Records Administration The National Archives and Records Administration (NARA) is an " independent federal agency of the United States government within the executive branch", charged with the preservation and documentation of government and historical records. It ...

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

Peace Corps The Peace Corps is an independent agency and program of the United States government that trains and deploys volunteers to provide international development assistance. It was established in March 1961 by an executive order of President John ...

(PC) ** Office of Inspector General (PC-OIG) * Railroad Retirement Board (RRB) ** Office of Inspector General (RRB-OIG) *

Small Business Administration The United States Small Business Administration (SBA) is an independent agency of the United States government that provides support to entrepreneurs and small businesses. The mission of the Small Business Administration is "to maintain and stre ...

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

Federal Deposit Insurance Corporation The Federal Deposit Insurance Corporation (FDIC) is one of two agencies that supply deposit insurance to depositors in American depository institutions, the other being the National Credit Union Administration, which regulates and insures cr ...

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

General Services Administration The General Services Administration (GSA) is an independent agency of the United States government established in 1949 to help manage and support the basic functioning of federal agencies. GSA supplies products and communications for U.S. gover ...

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

Social Security Administration The United States Social Security Administration (SSA) is an independent agency of the U.S. federal government that administers Social Security, a social insurance program consisting of retirement, disability and survivor benefits. To qualify f ...

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

United States Agency for International Development The United States Agency for International Development (USAID) is an independent agency of the U.S. federal government that is primarily responsible for administering civilian foreign aid and development assistance. With a budget of over $27 b ...

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

Corporation for National and Community Service AmeriCorps (officially the Corporation for National and Community Service or CNCS) is an independent agency of the United States government that engages more than five million Americans in service through a variety of stipended volunteer work prog ...

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

List of former agencies and units of agencies

* Bureau of Internal Revenue, Narcotic Division (1921-1927) (transferred to Bureau of Prohibition) *

Bureau of Prohibition The Bureau of Prohibition (or Prohibition Unit) was the United States federal law enforcement agency formed to enforce the National Prohibition Act of 1919, commonly known as the Volstead Act, which enforced the 18th Amendment to the United S ...

, Narcotic Division (1927-1930) (merged into Federal Bureau of Narcotics) * Federal Narcotics Control Board (FNCB) (1922-1930) (merged into Federal Bureau of Narcotics) *

White House Police Force The White House Police Force was a security police force formed in 1922 to protect the White House and the President of the United States. It became part of the United States Secret Service in 1930. It was renamed the Executive Protective Service ...

(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 The Steamboat Inspection Service was a United States agency created in 1871 to safeguard lives and property at sea. It merged with the Bureau of Navigation in 1932 to form the Bureau of Navigation and Steamboat Inspection, which in 1936 was reorga ...

(1871-1932) (merged into Bureau of Marine Inspection and 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 The Bureau of Narcotics and Dangerous Drugs (BNDD) was a bureau within the United States Department of Justice (DOJ) and a predecessor agency of the modern Drug Enforcement Administration (DEA). History It was created by § 3 of the Reorganizatio ...

(BNDD) (1968-1973) (merged into Drug Enforcement Administration) *

Office of Drug Abuse Law Enforcement The Office of Drug Abuse Law Enforcement (ODALE) was a Justice Department agency that Richard Nixon established in January 1972, headed by Myles Ambrose. The office was chiefly a tool for the federal government to assist local government in enforc ...

(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 The Bureau of Secret Intelligence (Office of the Chief Special Agent) was founded in 1916. The U.S. Department of State's Bureau of Secret Intelligence, later known as the Office of Security (SY) and now as the U.S. Diplomatic Security Service, was ...

(BSI) (1916-1985) (replaced by Diplomatic Security Service) * United States Treasury Police (TPF) (1879-1986) (merged with the Uniformed Division of the Secret Service) * United States Customs Service (1789-2003) (functions split between U.S. Customs and Border Protection and U.S. Immigration and Customs Enforcement) *

Immigration and Naturalization Service The United States Immigration and Naturalization Service (INS) was an agency of the U.S. Department of Labor from 1933 to 1940 and the U.S. Department of Justice from 1940 to 2003. Referred to by some as former INS and by others as legacy INS ...

(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 Federal Investigative Services (FIS) was a U.S. Government agency within the United States Office of Personnel Management responsible for performing security clearance investigations. In January 2016 the Obama administration announced that the agenc ...

(replaced by National Background Investigations Bureau in 2016) * National Background Investigations Bureau (2016-2019) (merged with Defense Counterintelligence and Security Agency) * Defense Investigative Service (DSS) (1972-1999) (changed to Defense Security Service) *

Defense Security Service The Defense Counterintelligence and Security Agency (DCSA) is a federasecurityand defense agency of the United States Department of Defense (DoD) that reports to the Under Secretary of Defense for Intelligence.DCSA is the largest counterintellige ...

(DSS) (1999-2019) (merged with Defense Counterintelligence and Security Agency)

References

External links

{{DEFAULTSORT:Federal Law Enforcement In The United States Lists of government agencies in the United States

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

fr:Police aux États-Unis#État fédéral