Disposition Authorities for Individual Classifications for Headquarters Case Files. Part B: Classification 139 Interception of Communications.

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Disposition Authorities for Individual Classifications for Headquarters Case Files. Part B: Classification 139 Interception of Communications.

http://www.worldcat.org/oclc/122558297

This classification initially referred to as "Unauthorized Publication or Use of Communications," was established in 1953 for cases involving investigation of allegations of unlawful interception and/or disclosure of wire or oral communications, as well as allegatins of the unlawful manufacture, posssession, or distribution of devices for such purposes. Unauthorized publication or use of communications from the enactment of the Federal Communications Act of 1934 until 1953, were investigated by the Federal Communication Commission. During 1953 the Federal Bureau of Investigation assumed responsibility for such investigations. With the passage of the Omnibus Crime Control and Sage Streets Act of 1968, which provided for violations of willful and unauthorized interceptions of communications, the name of this classification was changed to its present title.

National Archives Library, National Archives Records Administration

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SNAC Resource ID: 6763236

National Archives Library, National Archives Records Administration

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United States. Federal Bureau of Investigation

http://n2t.net/ark:/99166/w6mw65wc (corporateBody)

The FBI established this classification when it assumed responsibility for ascertaining the protection capabilities and weaknesses of defense plants. Each plant survey was a separate case file, with the survey, supplemental surveys, and all communications dealing with a plant insofar as plant protection was concerned, filed together. On June 1, 1941, and January 5, 1942, the Navy and Army, respectively, assumed responsibility for surveying defense plants in which they had interests. Thereafter, ...