n.someone acting as an informer or decoy for the police

同義詞：finksnitchsnitcherstoolpigeonstool pigeonsneaksneakercanary

from The Packing House Cantata: Sticker, and: Knocker, and: Luggers, and: D.P., and: Stoolie
`S' is for stoolie
ONCE A HIT MAN, NOW A STOOLIE, JIMMY 'THE WEASEL' FRATIANNO SAYS THE FEDS OWE HIM A LIVING
'Macho' Bush Turns Stoolie Under Pressure
Nobody likes a stoolie
Stings, stoolies, and agents provocateurs : evaluating FBI undercover counterterrorism operations
Commies, stoolies and lowlife: Sam Fuller's 'Pickup on South Street' out on DVD
On Commies, Stoolies, and Assorted Lowlife ?Pickup on South Street on DVD
STOOLIES, CIPHERS, AND ALIBIS: Women in the White House Transcripts
Swivel stool