The CIA unearths some pretty interesting materials and this week it was touting the oldest once-classified documents in is collection.
The mostly cryptic documents, from 1917 and 1918 describe secret writing techniques are believed to be the only remaining classified documents from the World War I era. Any documents describing secret writing fall under the CIA’s purview to declassify, the agency noted.
The CIA website noted that one file outlines the chemicals and techniques necessary for developing certain types of secret writing ink and a method for opening sealed letters without detection. Another communication dated June 14, 1918 – written in French – discloses the formula the German’s used to produce invisible ink.
Read More- Network World
Image courtesy of the CIA
PLEASE SUBSCRIBE TO CONTINUE READING.
Your subscription is important and supports our editorial integrity and our 100% veteran writing team. Advertisers these days are afraid of being associated with controversial news outlets, like us, that take a stand. Your subscription is vital to ensuring we can continue to publish the courageous apolitical news we are known and respected for as former combat veterans.Subscribe or login