Related Clues:

• 007, e.g.
• Keep tabs (on)
• :-)
• CIA worker
• Observe furtively
• Mole or plant
• Plant, perhaps
• Seek intelligence, in a way
• Happy face icon
• James Bond, for one
• Do some surveillance
• Bond, for instance
• Undercover agent
• Use a tap, perhaps
• Get a look at