</s>104-10110-10621 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 SECRET DAVID L. CHRIST Chief of TSD/Audio Operations Branch writing of the following: All audio operations world-wide since December 1957 to present date. Complete knowledge of all R&D aspects of audio equipment research. Had knowledge of certain Staff D and F1 equipment and operations. Complete knowledgeof all audio assets in production and stocked for use overseas. Clearances through Top Secret, Special Intelligence clearance, and "Q" clearance. World-wide knowledge of the location of all our audio technicians. Having previously been with the Applied Physics Branch of TDSD, he was also aware of many of our other R&d activities. As Branch Chief in TSD, he has full information on all personnel in TSD and g general knowledge of of the overall activities, including the research programs. He has been to isolation many times. SECRET

**John F. Kennedy**

* President of the United States at time of assassination
* Targeted for assassination on November 22, 1963, in Dallas, Texas

**Assassination and Investigations**

* Assassinated by Lee Harvey Oswald on November 22, 1963, in Dealey Plaza, Dallas, Texas
* Investigation led by Warren Commission (1964), Church Committee (1975-76), and House Select Committee on Assassinations (1976-79)
* Various investigations and reports released over the years, including the President John F. Kennedy Assassination Records Act of 1992

**Related Individuals and Events**

* Lee Harvey Oswald: assassin of President Kennedy
* David L. Christ: Chief of TSD/Audio Operations Branch with knowledge of audio equipment research and operations worldwide
* TDSD (Technical Services Division): organization involved in audio operations, R&D, and personnel management
* Applied Physics Branch: department within TDSD where David L. Christ previously worked

**Dates and Locations**

* December 1957 to present date: period during which David L. Christ was aware of all audio operations worldwide
* November 22, 1963: date of President Kennedy's assassination in Dallas, Texas
* Dealey Plaza, Dallas, Texas: location of President Kennedy's assassination

JFK Declassified Files

104-10110-10621.pdf

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