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Esoteric Espionage Implements Unveiled
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Electronic device capturing keystrokes for secret surveillance
  • 2. Covertly planted electronic eavesdropping apparatus
  • 3. Cryptographic device whose rotor mechanism baffled WWII foes
  • 5. Specialized lens enabling discreet nighttime surveillance
  • 8. Art of concealing messages within innocuous text
  • 9. Tiny photographic spies embedded in punctuation
  • 13. Steganographic cipher masking secrets within plain text
  • 14. Garment historically concealing myriad spy toys and weapons
  • 15. Optical device allowing unseen observation over obstacles
Down
  • 4. Invisible wave range exploited for covert transmissions
  • 6. Hypothetical brain-computer interface for secret info transfer
  • 7. Claw-like biometric sensors used for identity confirmation
  • 10. Classic rotational encryption method often used in espionage
  • 11. Miniature spying tool capturing visuals surreptitiously
  • 12. Agent employing gadgets for stealthy penetration behind lines
  • 16. Subtle paper feature for authenticating clandestine documents
  • 17. Acoustic dampener for firearms in covert operations
  • 18. Precision tools for surreptitious entry into secured areas

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