Related Clues:

• Double agent
• Traffic stopper
• CIA operative
• D.E.A. operative
• Pusher pursuer
• Prosecution witness, maybe
• Undercover person
• Be a snoop
• Mule buster
• Black or white Mad character
• One watching for traffic
• "I ---"
• 007, for one
• Telephoto lens user, maybe
• Spotter