CIA · JFK-M-01 : F2 : 20040322-1061945 : · Release: Redact
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"4-00000 104-10301-10011 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 €: SEP.28. 1998 3:23PM A NO.279 P.2 l• % SECRET The Special Investigations Group of the CI Staff (CI/SIG) CI/SIG (the Special Investigations Group) did not exist prior to the establishment of the CI Staff in early 1955, Its i major functions as described in CSI No. 70-1 of March 1955 are much more modest than the functions ascribed to it in a write-up by the Staff in early 1973. The 1955 description of functions is as follows: "Special Investigation Unit "Major Functions "Performs the CI investigation and analysis of any known or potential security leak in the Clandestine Services organization, whether in headquarters or in the field, from the standpoint of its effect on (1) existing operations, and (2) the cover of personnel. In performing this function, maintains close working relations with the Security Office, the latter being primarily concerned in such cases from Agency security rather than an operational security stand point," By 1973 the description of tasks which had been assigned to CI/SIG or which they had absorbed during the course"
"… ht with him several dozen leads to American citizens including some supposedly in CIA. The handling of these leads was assigned to SIG by Angleton, including the information emanating from Golitsyn, which related to foreign countries. Thus O'Neal and his assistant, Jean Evans, played …"
"… d responsibilities. They are listed as follows:, "CI/Special Investigations Group ”1. Conducts research into the long-range validity of CIA operations in terms of known or potential hostile capabilities, including penetrations, and of Agency security. "2. Carries out coordinat …"
"… igned by the C/CI." The first chief of the Special Investigation Unit (SIU) (as it was called in CSI NO, 70-1) was Birch O’Neal, a former FBI officer who had transferred to CIA after World War II.* In the ' mid-fifties.SIG had rather slim picking and appears to have spent most …"
"CIA · JFK-M-01 : F2 : 20040322-1061945 : · Release: Redact"
"CIA · JFK-M-01 : F2 : 20040322-1061945 : · Release: Redact"