Related Clues:

• Rep.
• Mata Hari, for one
• Secret agent
• FBI employee
• Undercover sort
• Mole
• Tail, maybe
• Sight
• Contract negotiator: Abbr.
• Kind of glass
• Austin Powers, e.g
• Cloak-and-dagger type
• P.R. person, e.g.
• Tremendous
• Wire wearer