Related Clues:

• Long-tailed rodent
• State secrets?
• Small pet
• Mob target
• Something often smelled
• Turn informer
• Ninja Turtle mentor Splinter, e.g.
• Bean-spiller
• Alley dweller
• Disloyal one
• Snitch, slangily
• Dirty double-crosser
• Mouse relative
• Squeal on your sidekicks
• Word in a Cagney impersonation