Cryptonym: LIPAWN

104-10088-10223: CABLE RE ACTIVITIES AND SURVEILLANCE CF SOVIET EMBASSY

11/23/63, cable MEXI 7024 from Mexico City to Director, slugline RYBAT REDWOOD LCIMPROVE: "Station's immediate and most likely definitive check indicates no other Kostikov travel outside MEXI...Covering Alferiev activities same as with Kostikov. Will place him under LIRICE surveillance ASAP...stepping up receipt all incoming materials covering (Soviet embassy), trying to get LIFEAT coverage of switchboard of apt building where (residence) of Min. Kazantsev, suspect KGB resident Konstantinov and suspect suspect GRU Shchuchkin. Having LIPAWN report movements Sidorov and make special effort re audio op against (Sidorov). Incoming LIFEAT on KGB Kuznetsov will be processed ASAP. Probable that Oswald conversation LIENVOY tapes erased. However rechecking all unerased tapes LIENVOY center. (Separate) cable provides verbatim transcripts."