TURN Spycraft Handbook – Ghost Messages - AMCtv.com (blog)
http://blogs.amctv.com/turn/2014/05/turn-spycraft-handbook-ghost-messages/In layman's terms, it's known as “secret writing,” and part of its allure is that the secret message, or “ghost message,” is hidden in plain sight: The message itself is concealed in an object that does not attract attention, therefore making it an ...
Submitted in section: Paranormal news 2014: TURN Spycraft Handbook – Ghost Messages - AMCtv.com (blog)