Related Clues:

• Cig
• It may be rooted out
• Maxwell Smart, for one
• Watch covertly
• Snoop (on)
• Microfilmer, maybe
• Garden invader
• Sneak a peek
• Double agent
• CIA operative
• Garden intruder
• Be a snoop
• Black or white Mad character
• "I ---"
• Tend to the lawn