Related Clues:

• CIA worker
• Observe furtively
• Fed, e.g.
• Mole or plant
• Plant, perhaps
• Seek intelligence, in a way
• Smiley, for one: Abbr.
• James Bond, for one
• Do some surveillance
• Taker of ten pct.
• Bond, for instance
• Actor's negotiator: Abbr.
• Undercover agent
• Use a tap, perhaps
• Get a look at