</s>124-10326-10105 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 JFK Assassination System Date: 4/9/2015 Identification Form Agency Information AGENCY: FBI AGENCY NUMBER: 124-1036-1010S RECORD SERIES: HQ AGENCY FILE NUMBER : 62-99724-81 AGENCY FILLE NUMBER :: 62-997244-81 Document Information ORIGINATOR: FBI FROM: HQ TO: TITLE: DATE: 04/20/1970 PAGES: 3 SUBJECTS: BUREAU SOURCE 100 (ANGLETON) DOCUMENT TYPE: BUREAUR SOURCE (100 (ANGLEYTON) PAPER, TEXTUAL DOCUMENT CLASSIFICATION: SECRET RESTRICTIONS: IB CURRENT STATUS: Redact DATE OF LAST REVIEW: 08/17/1998 OPENING CRITERIA: APPROVAL OF CIA COMMENTS: INC MEMO 9/1 NW 50953 DocId: 32313177 Page 1 6

Summary  
The document details a 1970 FBI communication regarding procedures for handling classified information related to Bureau Information 100 (ANGLETON), a code name associated with CIA operations. It outlines methods for forwarding sensitive material between agencies, including the use of Special Projects (SP) numbers and specific formatting for SCOPE materials. The FBI requests confirmation from the CIA that their office can handle such information discreetly, as per past practices. The document references Mr. D. J. Brennan, Jr., as the liaison for handling highly sensitive material and notes declassification dates and restrictions. It also mentions a 1954 procedure allowing attribution of information received from CIA under the "Bureau Information 100" symbol.  

Key People  
- Mr. D. J. Brennan, Jr. (liaison for handling sensitive materials)  
- SPX-WALKER REBEN (classifier of information)  
- CIA personnel (general reference)  

Key Locations  
- FBI Headquarters (HQ)  
- CIA facilities (implied through references to inter-agency procedures)  
- Angleton (code name, not a physical location)  

Key Events  
- 1954 approval of procedure for attributing information under "Bureau Information 100" symbol  
- April 20, 1970: FBI communication regarding handling classified SP material  
- 1998 declassification review and restrictions noted in document  

Key Organizations  
- Federal Bureau of Investigation (FBI)  
- Central Intelligence Agency (CIA)  
- Special Projects (SP) unit (FBI)  
- Bureau Information 100 (code name, likely linked to CIA operations)

JFK Declassified Files

124-10326-10105.pdf

Document Summary

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