Related Clues:

• Undercover asset
• Telephoto lens user, often
• Use a nanny cam, say
• Eve in “Killing Eve,” for one
• Espionage agent
• One may hide a camera
• One lurking in the shadows
• One sharing secrets
• Intelligence agency asset
• International ___ Museum (Washington, D.C., attraction)
• Keep watch (on)
• Stealer of secrets
• Piece in Stratego
• Person who works with bugs?
• One might pose as a diplomat