Documents / FOIA release
This Central Intelligence Agency release, declassified in 2007 under the Nazi War Crimes Disclosure Act, is part of the collection CIA and the Origins of the BND, 1949-56, Volume 2, in the section on ZIPPER operations and counterintelligence. It contains early 1950s memoranda on Russian, Ukrainian and other emigre groups, a plan for a stay-behind network and for evacuating ODEUM staff if war broke out, a JUPITER status report dated 16 April 1951, and evaluations of Zipper reports. It does not discuss UFOs.
“Cairo”1 page
SECRET/RELEASE TO GERMANY ONLY 1 SMUT Secret REL Ger It 040 further be assumed : that-the Spool:art precious:64e ale° known to the enemy. Additions/ processes compromised ores • (1) °Latent picture process (Verfthren, 0Latentei Mild0) (2) Tannic writing (Gertedhrift) process (Been eroosee) (3) Making dote in newspapers witha copying pencil Instructions for the preapreticm of twat inks (5) Instructions for the use of the ultra-violet lamp (6) 'Censor's solution III The following documents, aside from the above-mentienedsecret ink does- mants.. fell into enemy handes . (1) The spotting 1E1 for =ems in oensorchip units . Regulation concerning cheekier of eaoret ink letters with regard to elapsed delivery time and oeneorahip. All sources who ax.. provided With these process:4 meet be regarded as endangered .. Thereupon, A special cheek of all outgoing secret ink mail was ordered, and at the same time the order wee.gleme that none of these sources wa gg le write with a correct return -marten, sad, In addition, that the content of the messages 'mad absolutely have to be encoded if it epecifioally indicated the source. One coed assume that the enemy, having learned the preemies., would now try even more to penetrate our intelligence Sommmnioetions via oeneorehip. A cheek of the mail which has gone in in the last few months has shown, however, that no new special oeuvres have been taken in the : field of censorship. The elapsed times were approximately the sami and the proportion of letters which had demonetrably gone through censorship was no larger than before the flaps. Roweeer, one must assume that there will be a sharpening of censorship in the next year. The resultant situation in regard to the Were use of the stove-sexed inks is that they can still be used without hesitation for the time being, as long as oars is taken that the sender cannot be found out, even as a result of discovery and decoding of the secret writing. . The secret ink promises have generally proven themselves to be quite good up. to now, and play i deolsive role today in the trenamittal of reports bylmailaid by courier. (4) a. itmenla Lea remit of the flaps, a large from the =loll into the bands of the snow. 731 *mount of documentation A 181EORETIREtic*SE TO GERMANY ONLY REL Ger Secret
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FOIA release, from the cia-readingroom collection. The PDF is mirrored here; the original link is above. 218 pages are in the text index: search them above, or from the library's search.