a o-. we Doc ID: 6598200 DATEs :04/07/97 AGE: JFK ASSASSINATION SYSTEM IDENTIFICATION FORM AGENCY INFORMATION AGENCY : NSA RECORD NUMBER : 144-10001-10057 RECORDS SERIES : AGENCY FILE NUMBER : | DOCUMENT INFORMATION ORIGINATOR : NSA | FROM : TITLE ; REPORT ON EXAMINATION OF MATERIAL RELATED TO LEE HARVEY OSWALD CASE ERT DATE : 06/15/64 PAGES : 6 SUBJECTS : OSWALD, LEE DICTIONARY, CRYPTOLOGIC PURPOSE DOCUMENT TYPE : : HEMORANDUM a4 CLASSIFICA RESTRICTIONS : i CURRENT STATUS : DATE OF LAST REVIEW 8/09/93 OPENING CRITE ORIGINATING AGENCY § DETERMINATION REQUIRED COMMENTS : "| Released on 11-01-2017 under the John F. Kennedy A Assassination Records Collection Act of 1992 (44 USC 2017 Note)
7 po ARCHIV ES: ge, POR .s tala & 4 Released on 11-01-2017 under io w= the John F. Kennedy 7) J Assassination Records Collection Phe ae Act of 1992 (44 USC 2017 Note)
ning matselal relating 0. the Lee Harvey Oswald case provided by the’ “Warren Commission‘ was: “examined and there was no“indication that any of. _the items were: used “for. a. ‘eryptographic : ‘purpose or. for. passing secre! :
Doc ID; ‘relating to the Lee Harvey Oswald case provided. by the ‘Warren Con Z oS no ntti of their: Use- for cryptographic Purposes. . a “ 6598200" = REO | 200 Maryland Avenue N.E,- ‘Washington, D. GC, 20602 Dear Mr. Rankiny _ ; dociniet's 5 “examined. there were no evidences of. the use of, any: ’ 9 Of cryptography, to include the uge: of. an \ open code. voy cof the Russian novel, GLAZA KOTORYE SPRASHIVAYUT, “Questioning. ee . oy Eyes." ‘Eight. letters, had: V apparently: B been cat from page 152 ag follows: -: ‘One letter had been removed from page 1503 however no significance . President's Commission on the | _ rs Assassination of Prosident Kennedy ne ae - ATIN: Mr, J. Lee Rankin a ae . General Counsel Cy Se Re LE: PORE ya ts . Skilled cryptologists at NSA: carefully « examined the materials mission. ‘The results are ‘as follows: A detailed examination of the two ) dictionaries revealed. a oe In the correspondence, the Oswald Diary, and th ‘other. : Ce Certain letters had been’ ‘removed ‘from pages: “150 and. 182° ens Line 10 we ¥ - het Line 16 TC ' ‘Line 26 = & OC is attributed to the removal of this letter since it * comesponds in exact | ELECTROSTATIC REPRODUCTION MADE - . FOR PRESERVATION PURPOSES BY THE - _ NSA ARCHIVES FOR REPLACEMENT OF .\ DETERIORATING MANUSCRIPT ITEM
week Ay ad : ~~ ‘ yo t he 0 is ditton to one 3 of the letters removed from page 152. it was con=_ cluded that this letter had been accidently removed by the cutting .process applied to page 152 and that its removal resulted fromthe. _ application of excessive pressura on the cutting tool: when the letter on page 152 was taken out. The sample is considered too small for any: valid conclusions to be reached as to the purposes for which the above noted letters were removed. it is considered most unlikely that this process of letter ramoval has any cryptographic implication. de “The Russian “Tourist” portable radio » was + examined for eryptologic evidence. The radio appears to be a normal receiver ond. there wag no evidence of ita use for any other purpose. oo. “The names 5 appearing. in Lee’ Sg and Marina's address . books were , checked, ‘No evidence of. Cryptologic implication was Although the results of the examination of the materials iss by the Commission are essentially negative, further study of these. materials will be made. If any results are obtained, the Commission | - will be advised, However, it is considered most unlikely that any~ thing beyond v what is: reported above will be discovered. | sincerely. ns “Ldeutenant ‘General, USAF" Director