What did the declassified documents reveal?

This is a declassified Central Intelligence Agency cable concerning a Chinese Communist Party official, known only as Sun, who defected to the Soviet Union in August of nineteen sixty‑seven. The document is notable because it reveals how the United States sought to manage the diplomatic fallout of that defection with both the Soviet and Indian embassies. The cable was released to the public through The Black Vault, which hosts a scanned copy of the original CIA record. The material was made available as part of the agency’s routine declassification process, and the digital file is hosted at the archive.org address for the CIA’s China intelligence collection. No additional FOIA case number is listed for this particular release. The document itself is a two‑page secret telegram from the Department of State, addressed to the American embassies in New Delhi and Moscow, dated August fourth, nineteen sixty‑seven. I will now read the key portions verbatim. “Department of State TELEGRAM PAGE #1 NEW DE 91365 415312 48S ACTION ‘NEA 19 ee ae INFO EUR 252GPM 93,SC @foRSC BIsUSIA 12H B2sNSC PONSA O2oL B3 INR O7eP @4eCIA B4eD0D O10SP B2sSS 35sSAH @2eNIC BIipACDA fi54 W | R O@413482Z AUG 67 — FM AMEMBASSY NEW DELHI lb od TO AMEMBASSY MOSCOW 282 a INFO SECSTATE WASHDC 9508 ci of \ ene P S — C R © 7 NEW DELHI £365 Le [ae Che es ; Dacsncd -CHICOM DEFECTOR TO USSR Ps f? O REF: MOSCOW Ae{;@2@e JULY 25 to CHINESE WHOM ALKED INTO EMBASSY MOSCOW ON JULY 17 PRESUMABLY IS SUN WEIE=KUOs CHECOM EMBASSY EMPLOYEE WHOSE DISAPPEARANCE LAST OCTOBER CAUSED :QUITE A FLURRY MERE o 2@o WHEN SUN DISAPPEAREDs GOI ASKED EMBASSY YF WE KNEW SUN®S WHEREABOUTSo WE SATD WE DID NOTo WE aSSUME SAME QUESTION WAS ADDRESSED 70 SOVIETS° -SINCE PAGE 2 RUSBAE $365 SE CRE 7 INDIAN OFFICIALS HAVE ‘CONTINUED TO SHOW INTEREST IN 'SUNtS FATEs WE ASSUME SOVIETS /DID NOT ENLIGHTEN GOI ‘THAT SUN HAD SOUGHT ASYLUM WITH THEM AND WAS SMUGGLED ‘OUT VIA CALCUTTA IN MED=OCTOBER > |} 30 EMBASSY BELIEVES ITY WOULD BE USEFUL IF GOl COULD {LEARN QF SUN'S WALKe IN EN MOSCOWos AT VERY LEAST WE CAN “Department of State TELEGRAM SECRET PAGE #2 NEW DE 91365 415312 AMEND OUR EARLIER DENIALS OF

Why was this case declassified?

This material entered the public record through the U.S. declassification and Freedom of Information Act (FOIA) process. The originating source document is linked on this page so the citation chain is auditable.

Case File · ARCHIVE-680Declassified

Filed AUG 15 · 2026Runtime 1 min

Central Intelligence Agency Cable Concerning A Chinese Communist Party

U.S. public record · FOIAUpdated August 15, 2026

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◆ BLUF — The short version

This is a declassified Central Intelligence Agency cable concerning a Chinese Communist Party official, known only as Sun, who defected to the Soviet Union in August of nineteen sixty‑seven. The document is notable because it reveals how the United States sought to manage the diplomatic fallout of that defection with both the Soviet and Indian embassies.

Date: AUG 15 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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What was Central Intelligence Agency Cable Concerning A Chinese Communist Party about?: This is a declassified Central Intelligence Agency cable concerning a Chinese Communist Party official, known only as Sun, who defected to the Soviet Union in August of nineteen sixty‑seven. The document is notable because it reveals how the United States sought to manage the diplomatic fallout of that defection with both the Soviet and Indian embassies.
Why was this case declassified?: This material entered the public record through the U.S. declassification and Freedom of Information Act (FOIA) process. Storyflo narrates it directly from the public release.

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