MEMO: BERNON MITCHELL AND WILLIAM HAMILTON MARTIN, ESPIONAGE

",104-10219-10283, J2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 0 a CI “ogness ** "Tel HX-17 17 Jety 1961 MEMORANDUM FOUt Federal Berrau 6 Investigation SUBJECT: Pernon Ferguson MITCHELL William Hamalton MARTIN, Kepionage - K.' 2. Reference is made to the fallowing communications, which contain information pertinent to the gev information reported la ruc- ceding paragraphs: G. Memorandum oi 14 June 1961 from this Agency addressed to the Matiosal Security Agency, a copy et which was forwarded to your Derosv. captioned aa above. s Buresu letter of 22 June 1961, addressed t the Director, National Becurity Agency, with copy to this Agency, captioned: Bernon Fergasne MliCHELt, William Ramailton MARTIN; MISCELLANEOUS - INFORMATION CONCERNING. «. Department of Immigration Name Check Request Form. File A-Z. dated 18 June 6961 addressed 40 your Bureau with copy to this Agency, ta the name of Jeois SIERRA, born 12 July 1914, Sezicn, D. Fc. who eatored the United States at New Orleans, Louisiana, on 23 June 2961 with destination address vs Mexican Embassy, Washington, D.C. (Net seat information addressed) d. Various"