</s>124-90037-10081 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 JFK Assassination System Date: 5/26/201 Identification Form Agency Information AGENCY: FBI AGENCY NUMBER: FBI 124-900037-100081 RECORD SERIES: HQ AGENCY FILE NUMBER : 100-3807972-26 AGENCY FILENUMBER: Document Information ORIGINATOR: FBI FROM: BN TO: HQ TITLE: DATE: 01/29/1959 PAGES: 1 1 SUBJECTS: MARTIN GREENDLINGER DOCUMENT TYPE: PAPER, TEXTUAL DOCUMENT CLASSIFICATION: Secret RESTRICTIONS : IB: 4 CURRENT STATUS : Redact: DATE OF LAST REVIEW: 07/07/1998 OPENING CRITERIA: APPROVAL OF CIA, INDEFINITE COMMENTS: MEMO V.1 NW 50953 DocId: 323257999 Page 1 24

Summary  
This document is an FBI Office Memorandum dated January 29, 1959, concerning Martin Greendlinger, also referred to as "Security Mater." It outlines a request for information on Greendlinger's activities and travels, directed to various U.S. and foreign agencies including the CIA, U.S. Army Europe, British Services Security Organization, and others. The memorandum notes that the British Services Security Organisation provided information dated December 30, 1959, indicating no records of Greendlinger or associated individuals (David Reinderliner and his wife Elena Yanovini) in their files. The CIA is mentioned as having no objection to declassification.  

Key People  
- Martin Greendlinger (also known as "Security Mater")  
- David Reinderliner  
- Elena Yanovini  
- British Services Security Organisation personnel  

Key Locations  
- New York (referenced in context of information provided)  
- Germany (mentioned in relation to U.S. military and intelligence agencies)  
- Vienna, Austria (linked to the American Embassy's Security Office)  

Key Events  
- Request for information on Martin Greendlinger’s activities and travels by multiple agencies (January 29, 1959).  
- British Services Security Organisation’s response dated December 30, 1959, stating no records of Greendlinger or associated individuals.  
- CIA’s acknowledgment of no objection to declassification.  

Key Organizations  
- Federal Bureau of Investigation (FBI)  
- Central Intelligence Agency (CIA)  
- U.S. Army Europe  
- British Services Security Organization  
- Office of Special Investigations (U.S. Air Forces, Europe)  
- Bundespolizei (German security police)  
- Austrian Ministry of the Interior  
- American Embassy, Vienna, Austria

JFK Declassified Files

124-90037-10081.pdf

Document Summary

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