Informants are extremely common in every-day police work, including homicide and narcotics investigations. Any citizen who provides crime … See more

Informers alert authorities regarding government officials that are corrupt. Officials may be taking bribes or be participants in a See more

Slang terms for informants include:
• blabbermouth
• cheese eater
• canary – derives from the fact that canaries sing, and "singing" is underworld or street slang for providing … See more

Russia and Soviet Union
A system of informants existed in the Russian Empire and was later adopted by the Soviet Union. In Russia, such people were known as … See more

Corporations and the detective agencies that sometimes represent them have historically hired labor spies to monitor or control labor … See more

Jailhouse informants, who report hearsay (admissions against penal interest) which they claim to have heard while the accused is in See more

• Tim Allen, actor, who was arrested with cocaine and provided the names of other dealers in exchange for a sentence of three to seven years rather than a possible life imprisonment See more