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A law enforcement officer (LEO), or peace officer in
North American English North American English (NAmE, NAE) is the most generalized variety of the English language as spoken in the United States and Canada. Because of their related histories and cultures, plus the similarities between the pronunciations (accents), ...
, is a
public-sector The public sector, also called the state sector, is the part of the economy composed of both public services and public enterprises. Public sectors include the public goods and governmental services such as the military, law enforcement, i ...
employee Employment is a relationship between two parties regulating the provision of paid labour services. Usually based on a contract, one party, the employer, which might be a corporation, a not-for-profit organization, a co-operative, or any ot ...
whose duties primarily involve the
enforcement Enforcement is the proper execution of the process of ensuring compliance with laws, regulations, rules, standards, and social norms. Governments attempt to effectuate successful implementation of policies by enforcing laws and regulations. E ...
of
laws Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior,Robertson, ''Crimes against humanity'', 90. with its precise definition a matter of longstanding debate. It has been vari ...
. The phrase can include
campaign disclosure specialists Campaign or The Campaign may refer to: Types of campaigns * Campaign, in agriculture, the period during which sugar beets are harvested and processed *Advertising campaign, a series of advertisement messages that share a single idea and theme * Bl ...
, local police officers,
prosecutors A prosecutor is a legal representative of the prosecution in states with either the common law adversarial system or the civil law inquisitorial system. The prosecution is the legal party responsible for presenting the case in a criminal tria ...
(who are law enforcement officers but not peace officers), municipal law enforcement officers, health inspectors, SWAT officers,
customs officer A customs officer is a law enforcement agent who enforces customs laws, on behalf of a government. Canada Canadian customs officers are members of the Canada Border Services Agency. It was created in 2003 and preceded by the Canada Customs and ...
s, lawyers,
state trooper State police, provincial police or regional police are a type of sub-national territorial police force found in nations organized as federations, typically in North America, South Asia, and Oceania. These forces typically have jurisdicti ...
s,
federal agent ''Federal Agent'' is a 1936 American crime film directed by Sam Newfield and written by Barry Barringer. The film stars William Boyd, Irene Ware, Don Alvarado, Lenita Lane, George Cooper and Charles A. Browne. The film was released on April 14 ...
s, secret agents, special investigators,
coast guard A coast guard or coastguard is a maritime security organization of a particular country. The term embraces wide range of responsibilities in different countries, from being a heavily armed military force with customs and security duties to ...
s, border patrol officers,
judges A judge is an official who presides over a court. Judge or Judges may also refer to: Roles *Judge, an alternative name for an adjudicator in a competition in theatre, music, sport, etc. *Judge, an alternative name/aviator call sign for a membe ...
,
district attorney In the United States, a district attorney (DA), county attorney, state's attorney, prosecuting attorney, commonwealth's attorney, or state attorney is the chief prosecutor and/or chief law enforcement officer representing a U.S. state in a ...
, bounty hunters,
gendarmerie Wrong info! --> A gendarmerie () is a military force with law enforcement duties among the civilian population. The term ''gendarme'' () is derived from the medieval French expression ', which translates to " men-at-arms" (literally, ...
officers, immigration officers, private investigators, court officers, probation officers, parole officers,
arson investigator Fire investigation, sometimes referred to as origin and cause investigation, is the analysis of fire-related incidents. After firefighters extinguish a fire, an investigation is launched to determine the origin and cause of the fire or explosion ...
s, auxiliary officers,
animal control officer An animal control service or animal control agency is an entity charged with responding to requests for help with animals ranging from wild animals, dangerous animals, or animals in distress. An individual who works for such an entity was once kn ...
s, game wardens,
park ranger A ranger, park ranger, park warden, or forest ranger is a law enforcement person entrusted with protecting and preserving parklands – national, state, provincial, or local parks. Description "Parks" may be broadly defined by some systems in thi ...
s, county sheriff's deputies, constables,
marshal Marshal is a term used in several official titles in various branches of society. As marshals became trusted members of the courts of Medieval Europe, the title grew in reputation. During the last few centuries, it has been used for elevated o ...
s, detention officers,
correction officer Correction may refer to: * A euphemism for punishment * Correction (newspaper), the posting of a notice of a mistake in a past issue of a newspaper * Correction (stock market), in financial markets, a short-term price decline * ''Correction'' (no ...
s, sworn
campus police Campus police or university police in the United States and Canada are sworn police or peace officers employed by a college or university to protect that private property of the campus and surrounding areas and the people who live, work, and ...
officers and public safety officers (at public and private institutions).
Security guards A security guard (also known as a security inspector, security officer, or protective agent) is a person employed by a government or private party to protect the employing party's assets (property, people, equipment, money, etc.) from a variety ...
are not law enforcement officers, unless they have been granted powers to enforce particular laws, such as those accredited under a community safety accreditation scheme such as a security police officer. Modern legal codes use the term ''peace officer'' (or in some jurisdictions, ''law enforcement officer'') to include every person vested by the legislating state with law enforcement authority—traditionally, anyone "sworn, badged, and armable" who can arrest, or refer such arrest for a criminal prosecution. Hence, city police officers, county sheriffs' deputies, state troopers and in some states corrections officers are usually vested with the same authority within a given jurisdiction. Contract security officers may enforce certain laws and administrative regulations, which may include detainment or apprehension authority, including arresting. Peace officers may also be able to perform all duties that a law enforcement officer is tasked with, but may or may not be armed with a weapon.


Canada

In Canada, the Criminal Code (R.S., c. C-34, s. 2.) defines a ''peace officer'' as: Section (b) allows for designation as a peace officer for a member of the Correctional Service of Canada under the following via the ''Corrections and Conditional Release Act'': Also, provincial legislatures can designate a class of officers (i.e. Conservation Officers, Park Rangers and Commercial Vehicle Safety and Enforcement) to be peace officers.


Sri Lanka

Under the ''Code Of Criminal Procedure'' a peace officer includes all
police officer A police officer (also called a policeman and, less commonly, a policewoman) is a warranted law employee of a police force. In most countries, "police officer" is a generic term not specifying a particular rank. In some, the use of the ...
s, a Divisional Assistant Government Agent and a
Grama Niladhari ''Grama Niladhari'' (''village officers'') ( si, ග්‍රාම නිලධාරී) is a Sri Lankan public official appointed by the central government to carry out administrative duties in a ''grama niladhari'' division, which is a sub-un ...
s appointed by a Government Agent (GA) in writing to perform police duties or keep the peace. A peace officer has the power to arrest a person without a warrant or an order from a
magistrate The term magistrate is used in a variety of systems of governments and laws to refer to a civilian officer who administers the law. In ancient Rome, a '' magistratus'' was one of the highest ranking government officers, and possessed both judic ...
under certain circumstances such as; # who in his presence commits any breach of the peace, # who has been concerned in any cognizable offense or against whom a reasonable complaint has been made or credible information has been received or a reasonable suspicion exists of his having been so concerned, # having in his possession without lawful excuse any implement of house-breaking, # who has been proclaimed as an offender, # in whose possession anything is found which may reasonably be suspected to be property stolen or fraudulently obtained and who may reasonably be suspected of having committed an offense concerning such thing # who obstructs a peace officer while in the execution of his duty or who has escaped or attempts to escape from lawful custody, # suspected of being a military deserter, # suspected of concealing his presence under circumstances which afford reason to believe that he is taking such precautions intending to commit a cognizable offense, # who has been concerned in or against whom a reasonable complaint has been made or credible information has been received or a reasonable suspicion exists of his having been concerned in any act committed at any place out of Sri Lanka During the British colonial administration of Ceylon, when uniformed policing by the Ceylon Police Force in rural areas of the island was limited, the local government agent would appoint individuals from wealthy influential families deemed loyal to the crown as a Peace Officers with police powers to keep the peace. This was an influential post, the holder had much control over the people of the area. Commonly a Native Headman (Ralahami) was appointed as the Peace Officer to maintain law and order in rural villages. Following the formation of the
State Council of Ceylon The State Council of Ceylon was the unicameral legislature for Ceylon (now Sri Lanka), established in 1931 by the Donoughmore Constitution. The State Council gave universal adult franchise to the people of the colony for the first time. It re ...
in 1931, one of its members, H. W. Amarasuriya, called for an inquiry into the headman system. A commission was formed made up of retired civil servants and lawyers headed by H.M. Wedderburn. The commission reported on reforming the headman system or replacing it with transferable District Revenue Officers. The headman system was abolished as an administrative system, with the titles of Mudaliyar (Mudali - මුදලි) and Muhandiram retained by the government to be awarded as honors. This practice remained until the suspension of Ceylonese honors in 1956 by
S. W. R. D. Bandaranaike Solomon West Ridgeway Dias Bandaranaike ( si, සොලොමන් වෙස්ට් රිජ්වේ ඩයස් බණ්ඩාරනායක; ta, சாலமன் வெஸ்ட் ரிட்ஜ்வே டயஸ் ப� ...
. The minor headman positions were retained, surviving well into the 1970s when the post of
Vidane Native Headmen System was an integral part of the administration of the island of Ceylon (now known as Sri Lanka) under the successive European colonial powers, namely the Portuguese Empire, the Dutch East India Company and the British Empire. N ...
was replaced with the transferable post of
Grama Niladhari ''Grama Niladhari'' (''village officers'') ( si, ග්‍රාම නිලධාරී) is a Sri Lankan public official appointed by the central government to carry out administrative duties in a ''grama niladhari'' division, which is a sub-un ...
(Village Officer).


United States

United States federal law enforcement officers include the following: #
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) special agents # Bureau of Diplomatic Security special agents # Customs and Border Protection (CBP) officers and
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 ...
agents #
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) special agents # Federal air marshals #
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) special agents # Federal Flight Deck Officers # Dept of Treasury Federal Reserve Police officers #U.S. Dept of Treasury Secret Service special agents and uniformed officers # Dept. of Interior Fish and Wildlife Service Rangers #Dept. of Interior Bureau of Land Management Law Enforcement officers # Dept. of Homeland Security Investigations (HSI) special agents # DHS
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) deportation officers # Dept. of Interior National Park Service (
park rangers A ranger, park ranger, park warden, or forest ranger is a law enforcement person entrusted with protecting and preserving parklands – national, state, provincial, or local parks. Description "Parks" may be broadly defined by some systems in t ...
and forest rangers) # Dept. of Justice Federal Bureau of Prisons corrections officers # Dept. of Homeland Service Transportation Security Administration US Marshals and Deputy Marshals # U.S. Coast Guard officers, warrant officers, and petty officers #
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 ...
postal inspectors #
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 ...
officers #
United States Department of Veterans Affairs Police The United States Department of Veterans Affairs Police (VA Police) is the uniformed law enforcement service of the U.S. Department of Veterans Affairs, responsible for the protection of the VA Medical Centers (VAMC) and other facilities such as ...
# United States
military police Military police (MP) are law enforcement agencies connected with, or part of, the military of a state. In wartime operations, the military police may support the main fighting force with force protection, convoy security, screening, rear rec ...
, including the Army Military Police Corps, Air Force Security Forces, Navy
master-at-arms A Master-at-Arms (US: MA; UK & some Commonwealth: MAA) may be a naval rating, responsible for law enforcement, regulating duties, security, anti-terrorism/force protection (AT/FP) for/of a country's navy; an army officer responsible for physical ...
, Marine Corps Police,
provost marshal Provost marshal is a title given to a person in charge of a group of Military Police (MP). The title originated with an older term for MPs, '' provosts'', from the Old French ''prévost'' (Modern French ''prévôt''). While a provost marshal i ...
officers, and United States Department of Defense police


Arizona

Arizona Revised Statutes
defines a peace officer in Title 13, Section 105, as "any person vested by law with a duty to maintain public order and make arrests and includes a constable." Title 1, Section 215(27) enumerates those who are peace officers in the State of Arizona. It includes: #
sheriffs A sheriff is a government official, with varying duties, existing in some countries with historical ties to England where the office originated. There is an analogous, although independently developed, office in Iceland that is commonly trans ...
of counties # constables # marshals #
SWAT In the United States, a SWAT team (special weapons and tactics, originally special weapons assault team) is a police tactical unit that uses specialized or military equipment and tactics. Although they were first created in the 1960s to ...
officers and
policemen A police officer (also called a policeman and, less commonly, a policewoman) is a warranted law employee of a police force. In most countries, "police officer" is a generic term not specifying a particular rank. In some, the use of the ...
of cities and towns # commissioned personnel of the department of public safety and state troopers # personnel who are employed by the state department of corrections and the department of juvenile corrections and who have received a certificate from the Arizona peace officer standards and training board # peace officers who are appointed by a multi-county water conservation district and who have received a certificate from the Arizona peace officer standards and training board # police officers who are appointed by
community college A community college is a type of educational institution. The term can have different meanings in different countries: many community colleges have an "open enrollment" for students who have graduated from high school (also known as senior s ...
district governing boards and who have received a certificate from the Arizona peace officer standards and training board # police officers who are appointed by the Arizona board of regents and who have received a certificate from the Arizona peace officer standards and training board # police officers who are appointed by the governing body of a public airport according to section 28-8426 and who have received a certificate from the Arizona peace officer standards and training board # peace officers who are appointed by a private post-secondary institution under section 15-1897 and who have received a certificate from the Arizona peace officer standards and training board # special agents from the office of the
attorney general In most common law jurisdictions, the attorney general or attorney-general (sometimes abbreviated AG or Atty.-Gen) is the main legal advisor to the government. The plural is attorneys general. In some jurisdictions, attorneys general also have exec ...
, or of a
county attorney In the United States, a district attorney (DA), county attorney, state's attorney, prosecuting attorney, commonwealth's attorney, or state attorney is the chief prosecutor and/or chief law enforcement officer representing a U.S. state in a lo ...
, and who have received a certificate from the Arizona peace officer standards and training board Arizona Revised Statute
41-1823
states that except for duly elected or appointed sheriffs and constables, and probation officers in the course of their duties, no person may exercise the authority or perform the duties of a peace officer unless he is certified by the Arizona peace officers standards and training board.


California

Sections 830 through 831.7 of the
California Penal Code The Penal Code of California forms the basis for the application of most criminal law, criminal procedure, penal institutions, and the execution of sentences, among other things, in the American state of California. It was originally enacted i ...
list persons who are considered peace officers within the State of California. Peace officers include, in addition to many others, # Police; sheriffs, undersheriffs, and their deputies. (§ 830.1 # Investigators of the California Department of Consumer Affairs. (§ 830.3 # Inspectors or investigators employed in the office of a district attorney. (§ 830.1 # The California Attorney General and special agents and investigators of the
California Department of Justice The California Department of Justice is a statewide investigative law enforcement agency and legal department of the California executive branch under the elected leadership of the California Attorney General (AG) which carries out complex cri ...
. (§ 830.1 # Members of the
California Highway Patrol The California Highway Patrol (CHP) is a state law enforcement agency of the U.S. state of California. The CHP has primary patrol jurisdiction over all California highways and roads and streets outside city limits, and can exercise law enforcem ...
. (§ 830.2 # Special agents of the California Department of Corrections and Rehabilitation. (§ 830.2 # Game wardens of the
California Department of Fish and Wildlife The California Department of Fish and Wildlife (CDFW), formerly known as the California Department of Fish and Game (CDFG), is a state agency under the California Natural Resources Agency. The Department of Fish and Wildlife manages and protec ...
(§ 830.2 # California State Park Peace Officers (§ 830.2 # Investigators of the California Department of Alcoholic Beverage Control. (§ 830.2 #
Cal Expo The California Exposition and State Fair (Cal Expo) is an independent state agency established by law in the California Food and Agriculture codes. Cal Expo is governed by an appointed 11-member Board of Directors and daily operations are managed ...
Police Officers (§ 830.2 (§ 830.3 # Investigators of the
California Department of Motor Vehicles The California Department of Motor Vehicles (DMV) is the state agency that registers motor vehicles and boats and issues driver licenses in the U.S. state of California. It regulates new car dealers (through the New Motor Vehicle Board), c ...
. (§ 830.3 # The State Fire Marshal and assistant or deputy state fire marshals. (§ 830.3 # Fraud investigators of the
California Department of Insurance The California Department of Insurance (CDI), established in 1868, is the agency charged with overseeing insurance regulations, enforcing statutes mandating consumer protections, educating consumers, and fostering the stability of insurance market ...
. (§ 830.3 # Investigators of the Employment Development Department. (§ 830.3 # A person designated by a local agency as a
Park Ranger A ranger, park ranger, park warden, or forest ranger is a law enforcement person entrusted with protecting and preserving parklands – national, state, provincial, or local parks. Description "Parks" may be broadly defined by some systems in thi ...
(§ 830.31 # Members of the
University of California Police Department Police departments in the University of California system are charged with providing law enforcement to each of the system's campuses. History The University of California was established in 1868, and moved its first campus to Berkeley in 187 ...
,
California State University Police Department The California State University police departments (CSUPD) in the California State University system are referred to as CAL State Police, or University Police, the police officers are duly sworn peace officers of the State of California, as est ...
or of a
California Community College The California Community Colleges is a postsecondary education system in the U.S. state of California.California Education CodSection 70900(added to the Education Code by Chapter 973 of the California Statutes of 1988Assembly Bill No. 1725 secti ...
Police Department. (§ 830.2 amp; 830.32 # Members of the San Francisco Bay Area Rapid Transit District Police Department. (§ 830.33 # Any railroad police officer commissioned by the Governor. (§ 830.33 # Welfare fraud Investigators of the
California Department of Social Services The California Department of Social Services (CDSS) is a California state agency for many of the programs defined as part of the social safety net in the United States, and is within the auspices of the California Health and Human Services Agenc ...
. (§ 830.35 # County
coroner A coroner is a government or judicial official who is empowered to conduct or order an inquest into the manner or cause of death, and to investigate or confirm the identity of an unknown person who has been found dead within the coroner's jur ...
s and deputy coroners. (§ 830.35 # Firefighter/Security Officers of the California Military Department. (§ PC 830.37) # Hospital Police Officers with the California Department of State Hospitals (used to be California Department of Mental Health) and the
California Department of Developmental Services The California Department of Developmental Services is a state agency of California, headquartered in Downtown Sacramento ) , image_map = Sacramento County California Incorporated and Unincorporated areas Sacramento Highl ...
(§ 830.38) # County Probation Officers, County Deputy Probation Officers, Parole officers and correctional officers of the California Department of Corrections and Rehabilitation. (§ 830.5 amp; # A security officer for a private university or college deputized or appointed as a reserve deputy sheriff or police officer. (§ 830.75) Most peace officers have jurisdiction throughout the state, but many have limited powers outside their political subdivisions. Some peace officers require special permission to carry firearms. Powers are often limited to the performance of peace officers' primary duties (usually, enforcement of specific laws within their political subdivision); however, most have power of arrest anywhere in the state for any public offense that poses an immediate danger to a person or property. A private person (i.e., ordinary citizen) may arrest another person for an offense committed in the arresting person's presence, or if the other person has committed a
felony A felony is traditionally considered a crime of high seriousness, whereas a misdemeanor is regarded as less serious. The term "felony" originated from English common law (from the French medieval word "félonie") to describe an offense that res ...
whether or not in the arresting person's presence (Penal Code § 837), though such an arrest when an offense has not occurred leaves a private person open to criminal prosecution and civil liability for false arrest. A peace officer may: * without an
arrest warrant An arrest warrant is a warrant issued by a judge or magistrate on behalf of the state, which authorizes the arrest and detention of an individual, or the search and seizure of an individual's property. Canada Arrest warrants are issued by a ...
, arrest a person on
probable cause In United States criminal law, probable cause is the standard by which police authorities have reason to obtain a warrant for the arrest of a suspected criminal or the issuing of a search warrant. There is no universally accepted definition o ...
that the person has committed an offense in the officer's presence, or if there is probable cause that a felony has been committed and the officer has probable cause to believe the person to be arrested committed the felony. (Penal Code § 836). * Is immune from civil liability for false arrest if, at the time of arrest, the officer had probable cause to believe the arrest was lawful. Persons are required to comply with certain instructions given by a peace officer, and certain acts (e.g., battery) committed against a peace officer carry more severe penalties than the same acts against a private person. It is unlawful to resist, delay, or obstruct a peace officer in the course of the officer's duties (Penal Code § 148 1]).


New York State

New York State grants peace officers very specific powers under NYS Criminal Procedure Law, that they may make warrantless arrests, use physical and deadly force, and issue
summons A summons (also known in England and Wales as a claim form and in the Australian state of New South Wales as a court attendance notice (CAN)) is a legal document issued by a court (a ''judicial summons'') or by an administrative agency of governme ...
es under section 2.20 of that law. There is a full list of peace officers under Section 2.10 of that law. Below are some examples. # That state has law enforcement agencies contained within existing
executive branch The Executive, also referred as the Executive branch or Executive power, is the term commonly used to describe that part of government which enforces the law, and has overall responsibility for the governance of a state. In political systems ...
departments that employ sworn peace officers to investigate and enforce laws specifically related to the department. Most often, these departments employ sworn Investigators (separate from the New York State Police) that have statewide investigative authority under the department's mission. # The New York State Bureau of Narcotic Enforcement (BNE) is a state investigative agency housed under the State Department of Health. Narcotic Investigators with the Bureau of Narcotic Enforcement are sworn peace officers who carry firearms, make arrests, and enforce the New York State Controlled Substances Act,
New York State Penal Law The ''Consolidated Laws of the State of New York'' are the codification of the permanent laws of a general nature of New York enacted by the New York State Legislature. It is composed of several chapters, or laws. New York uses a system called " ...
, and
New York State Public Health Law The ''Consolidated Laws of the State of New York'' are the codification of the permanent laws of a general nature of New York enacted by the New York State Legislature. It is composed of several chapters, or laws. New York uses a system called " ...
. # The New York State Department of Taxation and Finance employs sworn peace officers as Excise Tax Investigators and Revenue Crimes Investigators. These State Investigators carry firearms, make arrests, and enforce New York State Penal Law related to tax evasion and other crimes. Excise Tax Investigators may execute Search Warrants. # The New York State Department of Motor Vehicles (DMV) Division of Field Investigation also employ sworn peace officers as State Investigators. All DMV Investigators carry
Glock 23 Glock is a brand of polymer- framed, short recoil-operated, locked-breech semi-automatic pistols designed and produced by Austrian manufacturer Glock Ges.m.b.H. The firearm entered Austrian military and police service by 1982 after it was the ...
firearms and enforce New York State Penal Law and
New York Vehicle and Traffic Law The ''Consolidated Laws of the State of New York'' are the codification of the permanent laws of a general nature of New York enacted by the New York State Legislature. It is composed of several chapters, or laws. New York uses a system called ...
. The DMV Division of Field Investigation investigates auto theft, odometer tampering, fraudulent documents, and identity theft crimes.


Texas

Texas Statutes, Code of Criminal Procedure, Art. 2.12, provides:


See also

* National Law Enforcement Officers Memorial * Peace Officers Memorial Day


References

Notes {{DEFAULTSORT:Law Enforcement Officer Law enforcement in the United States Law enforcement in Canada Legal professions * Law enforcement occupations