Espionage, spying, or intelligence gathering is the act of obtaining secret or confidential information (intelligence). A person who commits espionage is called an espionage agent or spy. Any individual or spy ring, in the service of a government, company, criminal organization, or independent operation, can commit espionage. The practice is clandestine, as it is by definition unwelcome. In some circumstances, it may be a legal tool of law enforcement and in others, it may be illegal and punishable by law.
The police are a constituted body of persons empowered by a state, with the aim to enforce the law, protect public order, and the public itself. This commonly includes ensuring the safety, health, and possessions of citizens, and to prevent crime and civil disorder. Their lawful powers encompass 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.
Surveillance is the monitoring of behavior, many activities, or information for the purpose of information gathering, influencing, managing or directing. This can include observation from a distance by means of electronic equipment, such as closed-circuit television (CCTV), or interception of electronically transmitted information like Internet traffic. It can also include simple technical methods, such as human intelligence gathering and postal interception.
Criminal justice is the delivery of justice to those who have been accused of committing crimes. The criminal justice system is a series of government agencies and institutions. Goals include the rehabilitation of offenders, preventing other crimes, and moral support for victims. The primary institutions of the criminal justice system are the police, prosecution and defense lawyers, the courts and the prisons system.
A fugitive is a person who is fleeing from custody, whether it be from jail, a government arrest, government or non-government questioning, vigilante violence, or outraged private individuals. A fugitive from justice, also known as a wanted person, can be a person who is either convicted or accused of a crime and hiding from law enforcement in the state or taking refuge in a different country in order to avoid arrest.
In the United States, a special agent is an official term used to refer to an investigator or detective for a federal or state government who primarily serves in criminal investigatory positions. Additionally, many federal and state special agents operate in "criminal intelligence" based roles as well. Within the U.S. federal law enforcement system, dozens of federal agencies employ federal law enforcement officers, each with different criteria pertaining to the use of the titles Special Agent and Agent. These titles are also used by many state level agencies to refer to their personnel.
A covert operation or undercover operation is a military or police operation involving a covert agent or troops acting under an assumed cover to conceal the identity of the party responsible. Some of the covert operations are also clandestine operations which are performed in secret and meant to stay secret, though many are not.
The International and State Defense Police was a Portuguese security agency that existed during the Estado Novo regime of António de Oliveira Salazar. Formally, the main roles of the PIDE were the border, immigration and emigration control and internal and external state security. Over time, it came to be known for its secret police activities.
Crime mapping is used by analysts in law enforcement agencies to map, visualize, and analyze crime incident patterns. It is a key component of crime analysis and the CompStat policing strategy. Mapping crime, using Geographic Information Systems (GIS), allows crime analysts to identify crime hot spots, along with other trends and patterns.
The Handschu agreement is a set of guidelines that regulate police behavior in New York City with regard to political activity.
Supergrass is a British slang term for an informant who turns King's evidence, often in return for protection and immunity from prosecution. In the British criminal world, police informants have been called "grasses" since the late 1930s, and the "super" prefix was coined by journalists in the early 1970s to describe those who witnessed against fellow criminals in a series of high-profile mass trials at the time.
The Law Enforcement Intelligence Unit (LEIU) is an organization designed to facilitate intelligence sharing between state and local law enforcement agencies. It began in 1956 with 26 members and has since expanded to include roughly 250 members, mostly in the United States but also in Canada, Australia, and South Africa. The organization is divided into four zones: Eastern, Central, Northwestern, and Southwestern. According to its website, LEIU's purpose is to "gather, record, and exchange confidential information not available through regular police channels, concerning organized crime and terrorism."
In intelligence, assets are persons within organizations or countries being spied upon who provide information for an outside spy. They are sometimes referred to as agents, and in law enforcement parlance, as confidential informants, or "CIs" for short.
Criminal intelligence is information compiled, analyzed, and/or disseminated in an effort to anticipate, prevent, or monitor criminal activity.
Parallel construction is a law enforcement process of building a parallel, or separate, evidentiary basis for a criminal investigation in order to conceal how an investigation actually began.
Transnational organized crime (TOC) is organized crime coordinated across national borders, involving groups or markets of individuals working in more than one country to plan and execute illegal business ventures. In order to achieve their goals, these criminal groups use systematic violence and corruption. Common transnational organized crimes include conveying drugs, conveying arms, trafficking for sex, toxic waste disposal, materials theft and poaching.
Intelligence-led policing (ILP) is a policing model built around the assessment and management of risk. Intelligence officers serve as guides to operations, rather than operations guiding intelligence.
The following outline is provided as an overview of and introduction to law enforcement:
Department of Justice v. Landano, 508 U.S. 165 (1993), was a case in which the Supreme Court of the United States held that the government is not entitled to a presumption that a source is confidential within the meaning of Exemption 7(D) of the Freedom of Information Act whenever the source provides information to the Federal Bureau of Investigation in the course of a criminal investigation.
A gang intelligence unit (GIU) is an American law enforcement unit tasked with investigating, suppressing, and combatting gangs within a geographical location. They exist to provide safety as well as information regarding gang activity in an area, and are also commonly found within correctional facilities. GIUs seek advanced awareness of gang activity as a method to suppress gang violence. Intelligence forms the foundation of GIUs' efforts to suppress gang violence and crime and maintain safety within the community.
