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»ana0 (Rev. 5-22-78), 1 : % . ) ‘ FBI TRANSMIT VIA: PRECEDENCE: CLAS SIFICATION: . (-] Teletype (] Immediate C] TOP SECRET PAAIRTEL (J CONFIDENTIAL Cj) UNCLAS EF TO j t i i i i. (Cj Facsimile ([} Priority (3 SECRET _ { t (J UNCLAS ' 1 \ To:. DIRECTOR, FBI (9~4991 a Hr LABORATORY, DOCUMENT SECTION) s i SA AN SAN FRANCISCO ) (9A-2296) (SQUAD #10) OO: SAN FRANCISCO | 10602037 ~ CHANGED (IQ) U “ A, VICTIM oe POSSIBLE EXTORTION "CLASSIFIED BY _$7 2 OO: SAN FRANCISCO | tL 0ep257 779 Title marked "changed" in second captioned matter to show identity of subject QD previously carried as UNSUB. Re Boston teletype to San Francisco, second matter, 5/20/81, and San Francisco calls to Boston, 5/21/81 and 5/26/81. a Enclosed for the Bureau are two sets of documents. Set #1 was provided originally by New West magazine. T c de a proposed 21 page article entitled nd supporting documents written by using Pp e As indicated later in this Communication, has subsequently made annotations on these documents and revised them concerning the deciphering of the Zodiac killer's code. The material provided by is marked Set #2 Boston (9A-NEW)(INFO) ~ + - 2 - San Francisco ey Suis . sot: . SK We re — ne); . Approved: Transmitted (Number) _ Sater salncaintna RATER ommeinadniaamtemmaetmeans anak aealiedibanmaatener sie ae eye eg te ee ee een DECLASSIFY OW: 2X_L£. ! . Cy Bureau (Enc. 2) aa ali oe as a —_ t 1741 [-A20| YNRECORDED CO? Y FILED It / .