Cryptonym: AEBURBLE
104-10068-10183: TRANSMITTAL OF STATION FILE ON VALERIY VLADIMIROVICH KOSTIKOV WITH COMMENTS
In this cable from the US Mexico City Station Chief, Kostikov is noted as being the handler of "ODENVY'S [FBI] stateside double agent AEBURBLE."
104-10068-10121: CABLE FROM DIRECTOR
11/12/63, DIR 82312, slugline RYBAT REDWOOD LCIMPROVE AEBURBLE: "Subject met with KGB in Mexico City Feb. 1963. Sov (case officer) who met with Subject used no name but identified from description as Valeriy Vladimirovich Kostikov..."
104-10436-10025: MEMO: CONTACT OF LEE OSWALD WITH A MEMBER OF SOVIET KGB ASSASSINATION DEPARTMENT
11/23/63 from Acting Chief, SR (Tennent H. Bagley aka Pete Bagley) to ADDP Tom Karamessines: "The physical description of Kostikov (positively identified by photo) quite accurately fits that of a Soviet case officer who nearly a year ago met in Mexico an FBI-controlled double agent. (TUMBLEWEED - AEBURBLE). This double agent's Soviet case officer in the United States has been Oleg Danilevich BRYKIN of the Thirteenth Department, KGB First Chief Directorate, occupying the overt position of translator-trainee, UN Secretariat, New York City. BRYKIN was stationed in New York City from December 1960 to July of this year..." After mention of Kostikov visits to cotton in Mexicali and to the political groups MLN and CCI, a handwritten note states: "11/27/63 check at NSA showed Dept of State dispatch from Tijuana dated 10/10/63 which stated source who had reported contact with CCI and MLN later stated this was in error. Also there was no record of 24,000 bales of cotton."
104-10414-10342: LIST OF RECORDS AND FILES ON SUSPECT RIS OFFICERS
A brief bio of Kostikov, including a reference to his relationship with AEBURBLE.
104-10015-10433: KOSTIKOV IS FROM ALL EVIDENCE A MEMBER OF KGB
"KOSTIKOV was in clandestine contact with TUMBLEWEED (as definitely confirmed by TUMBLEWEED'S photo identification) and arranged TUMBLEWEED'S contact in the U.S. with a KGB colleague of KOSTIKOV's."
104-10419-10021: ANTI -CASTRO ACTIVITIES INTERNAL SECURITY -CUBA
This important FBI memo from the day after the assassination provides TUMBLEWEED's name as Guenter Schulz. The memo is also the first post-assassination document calling attention to Kostikov's alleged connection to KGB Department 13, "which handles sabotage and assassinations." The Warren Commission would subsequently receive ominous information about Department 13 from the CIA.
Valeriy Kostikov and Comrade Kostin
This Starting Point provides more information about the Kostikov story.