Related Clues:

• He came in from the cold
• Bug someone's phone, e.g.
• Take furtively
• ___ ring
• Kind of attack
• Le Carré character
• Quarterback's play
• Covert agent
• Plant of a sort
• Move slyly
• Be a mole
• Maxwell Smart, e.g.
• Forum reader who doesn't post
• Stratego piece (3)
• Bond, e.g