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EXEMPTEE TRCM AUTCMATIC CECLASSIEICATION DATET1-30-2005 AUTHCRITY DERIVED ERCM: SECIALASSIFIED BI ERI AUTCATIC DECLASSIFICATION GUIDE DECLAS82TY 0N: 25X 379(6) 21-30-2030 EXEMPTICN CODE:25X(1) DATE 11-02-2015 BY: SECRET: - Lilson b6 ALL INCRMATION CONTAINED b7C HEREIN IS UNCLASSIFIEC EXCEPT WHERE SHOWN OTHERWISE h2-1/i.443-X BY LI sON b3 Date: b7E Novenber 9, 1964 To: Director Central Intelligence Agency Attention: Director of Security : wOLI John Edgar Hoover, Director Subject: PHILIP J. KIASS INTERNAL SECURITY -R Reference is nade to your letter dated. October 26, l964, regarding an association between subject, an employoe of "Aviation Week Magazine, " and an employee of your Agency. You requested to be furnished any pertinent informatlon concerning Klass contained in this Bureau's files or later developed. b6 The report of Special Agent b7C dated February 16, l962, at Vashington, D. C., entitled. "Lev Aleksandrovich Vtorygin," set forth information as furnished by Klass regarding his aasociation with Vtorygin. A copy of this report was furnished to you February 26, 1962. Vtorygin 1s Assistant Soviet Naval. Attache, Soviet EmbassyWashington,D.C. In January, l958, matter was referred to this Breau for investigation by the District Commander, 4th. Distrlct Office of Special Investigations, Departaent of the Air Force, Bolling Air Foree Base, Washington, D. C.. This matter involved the unauthorized disclcaure of article entitled "Exclusive Renort on Counter Measures". by Phil1p J.Klass tn 18 Notenber, I957, and 25 November, 1957, editions. No investigation was conducted in this 40s [0.], matter by this Bureau inasmych as this Bureau was adytsed Belnont Moni by Department of the Air Force that such classlfied DeLooch Cosper Caicnan declassified for nurncses of prosecutiop Coniad Evans Gale BST:nec:k1w Rosen RET SEE NOTE PAGE TWO Sulllivon (5) SECRET /GROUP Tavei Trotter ude from autcmatic Te.Room Ii- APR downgrad g and TLLETYPE UNI~ declasgirication D