The police are a constituted body of persons empowered by a state, with the aim to enforce the law, to ensure the safety, health and possessions of citizens, and to prevent crime and civil disorder. Their lawful powers include arrest and the use of force legitimized by the state via the monopoly on violence. The term is most commonly associated with the police forces of a sovereign state that are authorized to exercise the police power of that state within a defined legal or territorial area of responsibility. Police forces are often defined as being separate from the military and other organizations involved in the defense of the state against foreign aggressors; however, gendarmerie are military units charged with civil policing. Police forces are usually public sector services, funded through taxes.
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 translated to English as sheriff, and this is discussed below.
A detective is an investigator, usually a member of a law enforcement agency. They often collect information to solve crimes by talking to witnesses and informants, collecting physical evidence, or searching records in databases. This leads them to arrest criminals and enable them to be convicted in court. A detective may work for the police or privately.
Military police (MP) are law enforcement agencies connected with, or part of, the military of a state.
In the United States, a district attorney (DA), 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 local government area, typically a county or a group of counties. The exact name and scope of the office varies by state. Alternative titles for the office include county attorney, solicitor, or county prosecutor.
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 trial against an individual accused of breaking the law. Typically, the prosecutor represents the state or the government in the case brought against the accused person.
Law enforcement in France has a long history dating back to AD 570 when night watch systems were commonplace. Policing is centralized at the national level. Recently, legislation has allowed local governments to hire their own police officers which are called the "police municipale".
A mutual legal assistance treaty (MLAT) is an agreement between two or more countries for the purpose of gathering and exchanging information in an effort to enforce public or criminal laws. A mutual legal assistance request is commonly used to formally interrogate a suspect in a criminal case, when the suspect resides in a foreign country.
Three basic features of Japan's system of criminal justice characterize its operations. First, the institutions—police, government prosecutors' offices, courts, and correctional organs—maintain close and cooperative relations with each other, consulting frequently on how best to accomplish the shared goals of limiting and controlling crime. Second, citizens are encouraged to assist in maintaining public order, and they participate extensively in crime prevention campaigns, apprehension of suspects, and offender rehabilitation programs. Finally, officials who administer criminal justice are allowed considerable discretion in dealing with offenders.
Law enforcement in Sweden is carried out by several government agencies, under the guidance of the Government of Sweden.
Bulgarian law enforcement organisations are mainly subordinate to the Ministry of Interior.
The legal system of South Korea is a civil law system that has its basis in the Constitution of the Republic of Korea. The Court Organization Act, which was passed into law on 26 September 1949, officially created a three-tiered, independent judicial system. The revised Constitution of 1987 codified judicial independence in Article 103, which states that, "Judges rule independently according to their conscience and in conformity with the Constitution and the law." The 1987 rewrite also established the Constitutional Court, the first time that South Korea had an active body for constitutional review.
Law enforcement in Belgium is conducted by an integrated police service structured on the federal and local levels, made up of the Federal Police and the Local Police. Both forces are autonomous and subordinate to different authorities, but linked in regard to reciprocal support, recruitment, manpower mobility and common training.
Law enforcement in Pakistan is one of the three main components of the criminal justice system of Pakistan, alongside the judiciary and the prisons. The country has a mix of federal, provincial and territorial police forces with both general and specialised functions, but the senior ranks of all the provincial forces and most of the federal ones are manned by members of the Police Service of Pakistan (PSP). The PSP is one of the most prestigious parts of the Central Superior Services, Pakistan's main civil service organisation. Federal law enforcement agencies are generally overseen by the Ministry of Interior of the Government of Pakistan, while provincial police forces are overseen by a department of the government of that province.
Law enforcement in Taiwan operates primarily through governmental police agencies.
In many countries, particularly those with a federal system of government, there may be several law enforcement agencies, police or police-like organizations, each serving different levels of government and enforcing different subsets of the applicable law.
The judiciary of the Republic of Chile includes one Supreme Court, one Constitutional Court, 16 Courts of Appeal, 84 Oral Criminal Tribunals and Guarantee Judges; 7 Military Tribunals; over 300 Local Police Courts; and many other specialized Tribunals and courts in matter of family, labor, customs, taxes, electoral affairs, etc.
National Police Corps, colloquially in English as Dutch National Police or National Police Force, is divided in ten regional units and a central unit, and the Royal Marechaussee, a gendarmerie. Law enforcement in the Netherlands operates primarily through governmental police agencies. The law-enforcement purposes of these agencies are the investigation of suspected criminal activity, referral of the results of investigations to the courts, and the temporary detention of suspected criminals pending judicial action. Law enforcement agencies, to varying degrees at different levels of government and in different agencies, are also commonly charged with the responsibilities of deterring criminal activity and preventing the successful commission of crimes in progress. The police commissioner in the Netherlands is Henk van Essen since May 1, 2020.
The Directorate General for National Security (Arabic: المديرية العامة للأمن الوطني is the national civil police force of Algeria. It polices Algeria's larger cities and urban areas. The Sûreté is part of the Ministry of Interior and is charged with maintaining law and order, protecting life and property, investigating crimes, and apprehending offenders. It also performs other routine police functions, including traffic control.
The Judiciary Organization of the Armed Forces is part of the Iranian judiciary. Composed of prosecutor offices and courts-martial, it is the only specialized judicial authority anticipated in the Constitution of the Islamic Republic of Iran.
