Cold open. This is a declassified Central Intelligence Agency record concerning the presence of Red Guard units in Guangzhou, China, dated January twenty‑third, nineteen‑sixty‑seven. The cable is notable because it provides contemporary U.S. intelligence observations of the early Cultural Revolution period in a major southern Chinese city. The source is archived at the Black Vault, accessible through the public domain repository. Provenance. The document was released to the public through the Black Vault website, under the entry titled “US Intelligence on China CI01790 – Red Guards in Guangzhou, China Confidential, Cable, 005123, January 23, 1967.” The release was made pursuant to a Freedom of Information Act request, with the declassification authority indicated as the Central Intelligence Agency. The full text is available at the Black Vault URL https://archive.org/download/us-china-intel-CI01790/CI01790_djvu.txt. The document. Incoming telegram, United States Information Agency to D