Stool pigeons, also known as informants, are people who provide information to the authorities. TATTLETALES (11 letters) are people who tell on others, finks (5 letters) are informers, WEASELS (7 letters) are those who betray others, stooges (7 letters) are people who are easily manipulated, and rats (4 letters) are those who turn on their own. Tattlers (8 letters) are people who gossip or spread rumors. All of these terms are used to describe stool pigeons, people who provide information to the authorities.