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FD-36 (Rev. 8-26-82) FBI TRANSMIT VIA: PRECEDENCE: CLASSIFICATION: Teletype Immediate TOP SECRET Facsimile Priority SecreT. . AIRTE Routine CONFIDENTIAL UNCLAS EFTO UNCLAS, 12/6/83 Date TO: DIRECTOR, FBI (ATTENTION : TERRORIST SECTION 100-0-30471 FROM: ALBANY SUBJEC CHANGED "OOPY INFORMATION CONCERNANG LETTER AO CORNELEUNTVERSITY 31213005 ITHACA.NEW._YORK 11/15/83 Aour BOMB THREAT titled as above with Domestic Security character.. RETAINSDE Enclosed for the Bureau is one envelope bearing a Cleveland, Ohio postmark dated November 10, l983 with hand-. printed address and one typed cover letter dated November 9. On November 15, 1983. Dr. CARL SAGAN, Space Science Building, Cornell University, Ithaca, New York received the('!. above enclosures through the U.s. mail. Though a variety of. future predictions were made, the two most concerning to the. subject were a terrorist bomb attack allegedly to occur on November 22. 1983 and an explosion aboard the space shuttle,. Columbia. further investigation re. this matter. 7 -7 The Bureau is requested to disseminate'the above. information and conduct laboratory analysis as deemed_appropriate i 4 d 2 - Cleveland.(Info) 1 - Albany SRF/vep . (6) Approved: Transmitted Per (Number) (Time) ALL INFORMATION CONTAINED 1 HEREINIS UNCLASSIFIEDS 416836-D0l