What is another term for a police informer?

Asked by: scraper  |  Last update: August 29, 2026
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A police informer is most commonly referred to as an informant. Depending on the context, other professional terms include cooperating witness, confidential informant (CI), or confidential human source (CHS).

What is the slang term for police informer?

Police informers are colloquially referred to as snitches, rats, or stool pigeons. In law enforcement, they are officially known as Confidential Informants (CIs). Slang varies widely by region and era, featuring distinct terms from historic mob culture, British streets, and contemporary street jargon.

What are the 4 types of informants?

There are four types of informant: a member of the public, a victim of a crime, a member of an organized criminal group or police officers themselves. Informants are also referred to as "justice collaborators" or they may be known as "cooperating witnesses" (UNODC, 2008).

What is a cop snitch called?

Police officially call informants Confidential Informants (CI) or Confidential Human Sources (CHS).

What's another word for informer?

An informer is someone who discloses confidential information—often to the police or authorities. The most common synonyms include informant, squealer, snitch, rat, betrayer, and whistleblower.

Former DA: How to fight a police informant case

24 related questions found

What is a slang word for informer?

An informant (also called an informer or, as a slang term, a "snitch", "rat", "canary", "stool pigeon", "stoolie", "tout" or "grass", among other terms) is a person who provides privileged information, or (usually damaging) information intended to be intimate, concealed, or secret, about a person or organization to an ...

What is slang for undercover cop?

Common slang terms for an undercover cop include narc (specifically for drug enforcement), plainclothes, or simply undercover.

What is the slang for an informant?

Common slang terms for an informant vary based on context and region, ranging from universal street terms to specific law enforcement or British slang.

What is it called when a cop lies?

In criminal law, police perjury, sometimes informally called "testilying", is the act of a police officer knowingly giving false testimony.

What is a professional word for snitch?

The right professional term depends on the context of the situation.

What is Rachel's law?

Rachel's Law is a Florida statute that establishes statewide safety guidelines for law enforcement agencies recruiting and managing confidential informants (CIs).

What is the 80/20 rule in police?

A small portion of the population holds most of the wealth. A small proportion of police officers produce most of the arrests. This phenomenon is commonly called the 80-20 rule, where in theory 20 percent of some things are responsible for 80 percent of the outcomes.

How to tell if someone is a police informant?

It is nearly impossible to definitively identify a police informant because law enforcement agencies keep their identities strictly confidential to protect them. However, individuals often show behavioral red flags and situational patterns when working with authorities.

What is a derogatory term for a cop?

Derogatory slang for police officers spans various eras and regions, often reflecting historical tension or anti-establishment sentiments. While some are strictly offensive, others originated as pop-culture references or descriptive colloquialisms that evolved into mocking labels.

What do you call an undercover informant?

A confidential informant (CI) is an individual who provides information to law enforcement about suspected criminal activity, usually in exchange for some form of consideration such as leniency, reduced charges, or other benefits.

What is the grass slang for informant?

Grasser. One who gives information. A "squealer" or "squeaker". The origin derives from rhyming slang: grasshopper – copper; a "grass" or "grasser" tells the "copper" or policeman.

What is the criminal word for lying?

The primary crime of lying is perjury, which is intentionally providing false information or misleading statements while under oath. This includes lying on legally binding documents, during depositions, or in court.

What does 4 fingers up mean for cops?

For police, holding up 4 fingers generally means "Code 4," which is law enforcement shorthand for "no further assistance needed," "everything is secure," or "all clear."

What are the four types of lying?

In psychology and communication theory, lies are generally classified by their motive or intent. The four primary types of lies are:

What is the nickname for a police informer?

Police informers are colloquially referred to as snitches, rats, or stool pigeons. In law enforcement, they are officially known as Confidential Informants (CIs). Slang varies widely by region and era, featuring distinct terms from historic mob culture, British streets, and contemporary street jargon.

What is a synonym for informer?

An informer is someone who discloses confidential information—often to the police or authorities. The most common synonyms include informant, squealer, snitch, rat, betrayer, and whistleblower.

What are the three types of informants?

There are different types of informants, such as citizen informants, police confidential informants, and Perkins informants that are planted inside a jail cell to gather information from a target defendant.

What is a slang word for spy?

Need a slang term for a spy? Check out these common synonyms categorized by style, with official definitions available on Merriam-Webster.

What is the old fashioned slang for cops?

Classic slang for a police officer ranges from widely adopted mainstream words to highly localized or era-specific terms.

What is Gen Z slang for secrets?

Tea (gossip/information) Meaning: Gen Z slang for gossip, juicy information, or secrets. Example: Spill the tea!