Cryptonym: DIZTAG
Research Aid: Cryptonyms and Terms in Declassified CIA Files Nazi War Crimes and Japanese Imperial Government Records Disclosure Acts, p. 25: https://www.google.com/?gws_rd=ssl#q=diztag+embassy
DIZTAG is the crypt for Czechoslovakia.
Michael Cain, The Tangled Web (2007), p. 96.
Circa 1962: Michael Cain discusses how his brother Richard Cain wiretapped the Czech embassy in Mexico City. Also see Cain’s obituary in the Chicago Tribune, 12/28/73, p. 16.
104-10092-10094: OPERATIONAL - TRAVEL OF CZECH NATIONALS
10/22/63 dispatch from Chief of Station, Mexico City to Chief, Eastern European Division. The slug line states "DIZTAG/ZODIAC Operational-- Travel of Czech Nationals" and the document regards LIFIRE travel reports collected by Mexico City Station.
104-10211-10043: DIZTAG Operational Jaroslav Kuchvalek (201-69296)
10/31/63: Dispatch HMMA-22391 from Chief of Station, Mexico City to Chief, Eastern European Division: surveillance intelligence gathered from Soviet Embassy phone calls concerning the return of Czech Ambassador Jaroslav Kuchvalek to Mexico City. The caller is informed he would not be returning and a new Ambassador would be appointed by Prague.
104-10246-10041: OPERATIONAL MONTHLY OPERATIONAL REPORT FOR THE PERIOD 1-30 NOVEMBER 1964
12/10/64 dispatch HMMA-24922 from Chief of Station, Mexico City to Chief, KURIOT: The document is a monthly operational report from Winston Scott the Chief of Mexico City Station and states, "Photographic coverage of DIZTAG (Czech) Embassy, supplied by LIHABIT (a photographic surveillance base) was normal during this reporting period.