| | According to FBI surveillance logs, on April 19, 1945, Jaffe met [[John Stewart Service|Service]] at D.C.'s Statler Hotel: "Service, according to the microphone surveillance, apparently gave Jaffe a document which dealt with matters the Chinese had furnished to the United States government in confidence."<ref>Report of the United States Senate Subcommittee on the Investigation of Loyalty of State Department Employees, 1950, Vol. 2, appendix, p. 2051</ref> | | According to FBI surveillance logs, on April 19, 1945, Jaffe met [[John Stewart Service|Service]] at D.C.'s Statler Hotel: "Service, according to the microphone surveillance, apparently gave Jaffe a document which dealt with matters the Chinese had furnished to the United States government in confidence."<ref>Report of the United States Senate Subcommittee on the Investigation of Loyalty of State Department Employees, 1950, Vol. 2, appendix, p. 2051</ref> |