Informant
Encyclopedia
An informant is a person who provides privileged information about a person or organization to an agency. The term is usually used within the law enforcement world, where they are officially known as confidential or criminal informants (CI), and can often refer pejoratively to the supply of information without the consent of the other parties with the intent of malicious, personal or financial gain. However, the term is used in politics, industry and academia.

Criminal informants

Informants are commonly found in the world of organized crime
Organized crime
Organized crime or criminal organizations are transnational, national, or local groupings of highly centralized enterprises run by criminals for the purpose of engaging in illegal activity, most commonly for monetary profit. Some criminal organizations, such as terrorist organizations, are...

. By its very nature, organized crime involves many people who are aware of each other's guilt, in a variety of illegal
Law
Law is a system of rules and guidelines which are enforced through social institutions to govern behavior, wherever possible. It shapes politics, economics and society in numerous ways and serves as a social mediator of relations between people. Contract law regulates everything from buying a bus...

 activities. Quite frequently, confidential informants (or criminal informants) will provide information in order to obtain lenient treatment for themselves and provide information, over an extended period of time, in return for money or for police to overlook their own criminal activities. Quite often, someone will become an informant following their arrest.

Informants are also extremely common in every-day police work, including homicide and narcotics investigations. Any citizen who aids an investigation by offering helpful information to the police is by definition an informant.

The CIA
Central Intelligence Agency
The Central Intelligence Agency is a civilian intelligence agency of the United States government. It is an executive agency and reports directly to the Director of National Intelligence, responsible for providing national security intelligence assessment to senior United States policymakers...

 has been criticized for leniency towards drug lords and murderers acting as paid informants, informants being allowed to engage in some crimes so that the potential informant can blend into the criminal environment without suspicion, and wasting billions of dollars on dishonest sources of information.

Informants are often regarded as traitors by their former criminal associates. Whatever the nature of a group, it is likely to feel strong hostility toward any known informers, regard them as threats and inflict punishments ranging from social ostracism through physical abuse and/or death. Informers are therefore generally protected, either by being segregated while in prison
Prison
A prison is a place in which people are physically confined and, usually, deprived of a range of personal freedoms. Imprisonment or incarceration is a legal penalty that may be imposed by the state for the commission of a crime...

 or, if they are not incarcerated, relocated under a new identity.

Labor and social movements

Corporations and the detective agencies that sometimes represent them have historically hired labor spies
Labor spies
Labor spies are persons recruited or employed for the purpose of gathering intelligence, committing sabotage, sowing dissent, or engaging in other similar activities, typically within the context of an employer/labor organization relationship....

 to monitor or control labor organizations and their activities. Such individuals may be professionals or recruits from the workforce. They may be willing accomplices, or may be tricked into informing on their co-workers' unionization efforts.

Paid informants have often been used by authorities within politically and socially oriented movements to weaken, destabilize and ultimately break them.

Politics

Lactantius
Lactantius
Lucius Caecilius Firmianus Lactantius was an early Christian author who became an advisor to the first Christian Roman emperor, Constantine I, guiding his religious policy as it developed, and tutor to his son.-Biography:...

 described an example from ancient Rome
Ancient Rome
Ancient Rome was a thriving civilization that grew on the Italian Peninsula as early as the 8th century BC. Located along the Mediterranean Sea and centered on the city of Rome, it expanded to one of the largest empires in the ancient world....

 involved the prosecution of a woman suspected to have advised a woman not to marry Maximinus II: "Neither indeed was there any accuser, until a certain Jew, one charged with other offences, was induced, through hope of pardon, to give false evidence against the innocent. The equitable and vigilant magistrate conducted him out of the city under a guard, lest the populace should have stoned him... The Jew was ordered to the torture till he should speak as he had been instructed... The innocent were condemned to die.... Nor was the promise of pardon made good to the feigned adulterer, for he was fixed to a gibbet, and then he disclosed the whole secret contrivance; and with his last breath he protested to all the beholders that the women died innocent."

Criminal informant schemes have often been used as cover for politically motivated intelligence offensives.

Jailhouse informants

Jailhouse informants, who report hearsay
Hearsay
Hearsay is information gathered by one person from another person concerning some event, condition, or thing of which the first person had no direct experience. When submitted as evidence, such statements are called hearsay evidence. As a legal term, "hearsay" can also have the narrower meaning of...

 (admissions against penal interest) which they claim to have heard while the accused is in pretrial detention, usually in exchange for sentence reductions or other inducements, have been the focus of particular controversy. Some examples of their use are in connection with Stanley Williams
Stanley Williams
Stanley Tookie Williams III was the co-founder of the Crips, a notorious American street gang which had its roots in South Central Los Angeles in 1969. In 1979 he was convicted of four murders committed in the course of robberies, sentenced to death, and eventually executed...

, Cameron Todd Willingham, Gerald Stano
Gerald Stano
Gerald Eugene Stano was an American convicted serial killer. He killed at least 22 women; he confessed killing 41-Early life:He was born in Schenectady, New York. His given name at birth was Paul Zeininger...

, Thomas Silverstein
Thomas Silverstein
Thomas Silverstein is a convicted American murderer. He has been in prison for armed robbery and has been convicted of four separate murders while imprisoned, one of which was overturned. He has been in solitary confinement since 1983, when he killed prison guard Merle Clutts at the Marion...

, Marshall "Eddie" Conway
Marshall "Eddie" Conway
Marshall Conway was the Minister of Defense of the Baltimore chapter of the Black Panther Party. In addition to his position within the Black Panther Party he was also employed by the United States Postal Service...

, and a suspect in the disappearance of Etan Patz
Etan Patz
Etan Kalil Patz was a kidnapped American child. He was 6 years old when he disappeared in lower Manhattan, New York on May 25, 1979. At the time, news coverage of Patz's disappearance was made into a media circus in the New York City area. He is arguably the most famous missing child of New York...

.

Terminology and slang

Slang
Slang
Slang is the use of informal words and expressions that are not considered standard in the speaker's language or dialect but are considered more acceptable when used socially. Slang is often to be found in areas of the lexicon that refer to things considered taboo...

 terms for informants include:
  • cheese eater
  • fink — this may refer to the Pinkertons
    Pinkerton National Detective Agency
    The Pinkerton National Detective Agency, usually shortened to the Pinkertons, is a private U.S. security guard and detective agency established by Allan Pinkerton in 1850. Pinkerton became famous when he claimed to have foiled a plot to assassinate president-elect Abraham Lincoln, who later hired...

     who were used as plain-clothes detective
    Detective
    A detective is an investigator, either a member of a police agency or a private person. The latter may be known as private investigators or "private eyes"...

    s and strike-breakers.
  • grass or supergrass
    Supergrass (informer)
    Supergrass is a slang term for an informer, which originated in London. Informers had been referred to as "grasses" since the late-1930s, and the "super" prefix was coined by journalists in the early 1970s to describe those informers from the city's underworld who testified against former...

    , — rhyming slang for grasshopper, meaning copper or shopper and having additional associations with the popular song, "Whispering Grass
    Whispering Grass
    "Whispering Grass " is a popular song written by Fred Fisher and his daughter Doris Fisher. The song was first recorded by Erskine Hawkins & His Orchestra in 1940. The Ink Spots also recorded it the same year....

    ", and the phrase snake in the grass
    Snake in the Grass
    Snake in the Grass is a 2002 play by British playwright Alan Ayckbourn. It is about two middle-aged women who return to the house of their late father, who abused them in different ways...

    .
  • narc — a member of a specialist narcotics police force.
  • nark — this may have come from the Romany term nak for nose or the French term narquois meaning cunning, deceitful and/or criminal.
  • nose
  • pursuivant (archaic),
  • rat, informing is commonly referred to as "ratting."
  • snitch
  • snout
  • spotter
  • squealer
  • stool pigeon
  • tell tale or tell-tale
  • tittle-tattle
  • trick


The phrase "drop a dime" refers to an informant using a payphone
Payphone
A payphone or pay phone is a public telephone, often located in a phone booth or a privacy hood, with pre-payment by inserting money , a credit or debit card, or a telephone card....

 to call the authorities to report information.

List of famous informants

  • W. Mark Felt
    W. Mark Felt
    William Mark Felt, Sr. was an agent of the Federal Bureau of Investigation , who retired in 1973 as the Bureau's Associate Director...

    , a.k.a "Deep Throat," former Deputy Director of the FBI
  • Henry Hill, Lucchese crime family
    Lucchese crime family
    The Lucchese crime family is one of the "Five Families" that dominates organized crime activities in New York City, United States, within the nationwide criminal phenomenon known as the Mafia . The family originated in the early 1920s with Gaetano "Tommy" Reina serving as boss up until his murder...

     associate
  • Frank Lucas
    Frank Lucas
    Frank D. Lucas is the U.S. Representative for , serving since 1994. He is a member of the Republican Party. The district, the largest in the state and one of the largest in the country, stretches from the Panhandle to the fringes of the Tulsa suburbs—almost half of the state's land mass.-Early...

    , New York drug dealer turned informant
  • Sammy Gravano
    Sammy Gravano
    Salvatore "Sammy the Bull" Gravano is a former underboss of the Gambino crime family. He is known as the man who helped bring down John Gotti, the family's boss, by agreeing to become a Federal Bureau of Investigation informant and turn state's evidence.Originally a mobster for the Colombo crime...

    , former underboss of the Gambino crime family
    Gambino crime family
    The Gambino crime family is one of the "Five Families" that dominates organized crime activities in New York City, United States, within the nationwide criminal phenomenon known as the Mafia . The group is named after Carlo Gambino, boss of the family at the time of the McClellan hearings in 1963...

  • Joseph Valachi, soldier in the Genovese crime family
    Genovese crime family
    The Genovese crime family , is one of the "Five Families" that dominates organized crime activities in New York City, United States, within the nationwide criminal phenomenon known as the Mafia . The Genovese crime family has been nicknamed the "Ivy League" and "Rolls Royce" of organized crime...

  • Salvatore Vitale
    Salvatore Vitale
    Salvatore "Good Looking Sal" Vitale was a New York City caterer and former underboss of the Bonanno crime family of La Cosa Nostra before becoming a government informant.-Biography:...

    , former underboss of the Bonanno crime family
    Bonanno crime family
    The Bonanno crime family is one of the "Five Families" that dominates organized crime activities in New York City, United States, within the nationwide criminal phenomenon known as the Mafia ....


See also

  • Agent provocateur
    Agent provocateur
    Traditionally, an agent provocateur is a person employed by the police or other entity to act undercover to entice or provoke another person to commit an illegal act...

  • Aguilar–Spinelli test
  • Counter-terrorism
    Counter-terrorism
    Counter-terrorism is the practices, tactics, techniques, and strategies that governments, militaries, police departments and corporations adopt to prevent or in response to terrorist threats and/or acts, both real and imputed.The tactic of terrorism is available to insurgents and governments...

  • Espionage
    Espionage
    Espionage or spying involves an individual obtaining information that is considered secret or confidential without the permission of the holder of the information. Espionage is inherently clandestine, lest the legitimate holder of the information change plans or take other countermeasures once it...

  • Hollywood blacklist
    Hollywood blacklist
    The Hollywood blacklist—as the broader entertainment industry blacklist is generally known—was the mid-twentieth-century list of screenwriters, actors, directors, musicians, and other U.S. entertainment professionals who were denied employment in the field because of their political beliefs or...

  • Pentiti
  • Plea bargain
    Plea bargain
    A plea bargain is an agreement in a criminal case whereby the prosecutor offers the defendant the opportunity to plead guilty, usually to a lesser charge or to the original criminal charge with a recommendation of a lighter than the maximum sentence.A plea bargain allows criminal defendants to...

  • Turn state's evidence
    Turn state's evidence
    To turn state's evidence is when an accused or convicted criminal testifies as a witness for the state against his associates or accomplices. Turning state's evidence is occasionally a result of a change of heart or feelings of guilt, but more often is done in response to a generous offer from the...

  • United States Marshals Service
    United States Marshals Service
    The United States Marshals Service is a United States federal law enforcement agency within the United States Department of Justice . The office of U.S. Marshal is the oldest federal law enforcement office in the United States; it was created by the Judiciary Act of 1789...

  • Whistleblower
    Whistleblower
    A whistleblower is a person who tells the public or someone in authority about alleged dishonest or illegal activities occurring in a government department, a public or private organization, or a company...

  • Witness Protection Program
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