[Editor’s note: This document was released both as a State Department cable as part of its 1981 FOIA release, and as Serial 1164 of the FBI’s RYMUR release. The text was released at https://wikileaks.org/plusd/cables/1978GEORGE04118_d.html.
[Both the State Department and FBI withheld portions of this cable, although there were differences in the deletions. The previously-withheld material from each document denoted in red type.]
GEORGE 04118 061507Z
INFO OCT-01 ARA-15 ISO-00 SYE-00 SY-05 L-03 SSO-00 /024 W
——————035424 061510Z /46
O 061337Z DEC 78 ZFF1
FM AMEMBASSY GEORGETOWN
TO SECSTATE WASHDC IMMEDIATE 0000
UNCLAS GEORGETOWN 4118
1) Secretary-Steno Mary Dell Humphrey departing Georgetown via Pan Am flight 228 at 1:00 pm December 6, 1978, arriving NYC 6:30 pm. Will depart NYC via National flight 491 at 8:15 pm. She will be carrying evidence as previously advised to FBIHQ. Request NYC meet and assist and at FBIHQ have agent meet National flight to pick up evidence for FBIHQ and deliver Miss Humphrey to home of legat at 6804 Dante Court, Springfield, where she may be reached at telephone 451-8864.
2) Miss Humphrey holds return ticket to Georgetown on December 9, 1978, which should allow ample time for processing of film on Thursday and Friday without calling in night crews.
3) FBIHQ requested to make one copy of cassette and give to Al Nicholas for transmittal to State Department, Mark Feldman, Deputy Legal Advisor.
Burke [John Burke, U.S. Ambassador to Guyana]