Background

The following FBI was requested in May of 2014. In December of 2016, it was released.

It is believed this is the entire releasable portions of File #80-HQ-789 on “Tracing Telephone Calls.”

The approximate dates of the files within range from the 1950s through the 1970s.

Document Archive

 FBI File on Tracing Telephone Calls — File #80-HQ-789 [496 Pages, 302MB]

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