FBI File on Tracing Telephone Calls — File #80-HQ-789

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.

Continue scrolling for more...

Document Archive

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

Follow The Black Vault on Social Media:

This post was published on May 2, 2018 3:55 am

John Greenewald

Recent Posts

FBI Files: Historical Figures & Groups

Background Welcome to the FBI Files on Historical Figures & Groups archive at The Black…

October 17, 2025

FBI Files: Civil Rights Era

Background Movements for civil rights were a worldwide series of political movements for equality before…

October 16, 2025

Russian Dossier on JFK Assassination Released to Public After Hand Delivery to Rep. Anna Paulina Luna

A 386-page dossier reportedly compiled by the Russian government detailing its findings on the assassination…

October 16, 2025

Thousands of Historical Artifacts Cataloged in Released NY Parks Databases

(Note: Photo graphic above is for illustrative purposes, and not a representation of actual holdings…

October 16, 2025

Unheard FBI Audio Reveals Art Bell Discussing Threats, Rumors, and Radio Rivalries

The FBI’s file on late-night radio host Art Bell has expanded with the release of…

October 6, 2025

“Looked Like Iron Man”: Tucson Pilot’s “Drone” Report and Audio Recording Revealed in FAA Records

On December 17, 2022, a Cessna 172 pilot approaching Tucson, Arizona, reported an unusual airborne…

October 2, 2025