Related Clues:

• Sports star's rep
• Agent of espionage
• Le Carré's Smiley, for one
• Search for intelligence
• Owner-player go-between
• Plant gathering information
• G-man, e.g
• Free __
• Stratego piece with a monocle
• Hollywood rep
• One who bugs people?
• Invasive plant
• Clancy novel staple
• Secret __ (spy)
• Secret collector