Related Clues:

• Gather intelligence
• Many a character in 'The Americans'
• You right now, theme-wise
• Bond or Bourne
• Bug planter, perhaps
• Wire planter, perhaps
• No Clue
• Admirer from afar, maybe
• Dead drop user
• Busybody, maybe
• Undercover infiltrator
• Piece in a Stratego game
• Do surveillance
• Bug someone?
• User of gadgets, maybe