stoolpigeon
- n someone acting as an informer or decoy for the police
- A stoolpigeon takes the stand to testify against him.
- One night last week, heavily armed police, tipped off by a stoolpigeon network organized by the fugitive Yugoslav war criminal, Ante Pavelic, charged into Asuncion's southern .
- Two days later, Pinkerton men and a city detective in a police car with a Georgia license, acting on stoolpigeon information, followed a car with three men in it to the middle of .