Related Clues:

• Fabricators
• Tunnelers
• Unreliable ones
• Superdupers?
• They're not on the level
• Beauty marks, often
• Isn't obvious
• ___ paradox
• They're not to be trusted
• Mischievous ones
• Some spies
• Performs a covert op, perhaps
• Quarterback options
• Type of poker
• Burrowing animals