Informer, informally

• Whodunit informer
• Nark about rifles and stuff, taking a long time
• Mob's bane
• Packed item that might fly away?
• Sucker at the bar?
• F
• Someone acting as an informer or decoy for the police
• Police informer
• Birdman of Alcatraz

WordNet Word definitions in WordNet
n. someone acting as an informer or decoy for the police [syn: fink , snitch , snitcher , stoolie , sneak , sneaker , canary ]