Related Clues:

• Tattle (on)
• Word before or after pack
• Pied Piper follower
• Mouse's cousin
• Sewer scurrier
• Hamelin vermin
• Tell on
• Maze scurrier
• Stool-pigeon
• "Wind in the Willows" character
• Treacherous one
• Unpopular singer?
• Cheese lover
• Snake in the grass, e.g.
• One not to be trusted