Feb 20, 2022
Spy dust
Nitrophenyl pentadienal - Wikipedia
https://en.wikipedia.org/wiki/Nitrophenyl_pentadienal
U.S. SAYS 'SPY DUST' USED BY THE RUSSIANS IS NO HEALTH HAZARD (Published 1986)
https://www.nytimes.com/1986/02/15/world/us-says-spy-dust-used-by-the-russians-is-no-health-hazard.html
Spy Dust: Two Masters of Disguise Reveal the Tools and Operations That Helped Win the Cold War [Mendez, Antonio, Mendez, Jonna, Henderson, B
https://www.amazon.com/Spy-Dust-Masters-Disguise-Operations/dp/0743428536
