Nixon White House Tapes › Tape 491 › Conversation 491-012

United States Secret Service agents on Secret Service

Wednesday, April 28, 1971 · 1:56 PM–2:05 PM ET · Oval Office · 41 sec

ParticipantsUnited States Secret Service agentsConversation491-012 on Tape 491 (tape position 02:22:12–02:23:00)StartWednesday, April 28, 1971 at 1:56 PMEndWednesday, April 28, 1971 at 2:05 PMRecording deviceOval OfficeSourceNixon Library record for 491-012 ↗

AI Summary

Secret Service agents gathered in the Oval Office to coordinate security logistics and communication protocols during a period when President Nixon was relocated to the Cabinet Room. The brief exchange was interrupted by technical issues, resulting in an immediate termination of the recording. No substantive policy discussions occurred, as the dialogue was limited to operational adjustments regarding the President's immediate location.

Audio

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Transcript (AI-generated)

This transcript was generated automatically by AI (WhisperX) and has not been reviewed for accuracy. Names and numbers are often wrong; speakers are not identified. Do not cite it as authoritative — verify against the audio and the finding aid.

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NARA Description

On April 28, 1971, United States Secret Service agents met in the Oval Office of the White House at an unknown time between 1:56 pm and 2:05 pm. The Oval Office taping system captured this recording, which is known as Conversation 491-012 of the White House Tapes.

Nixon Library Finding Aid

Conversation No. 491-12

Date: April 28, 1971
Time: Unknown between 1:56 pm and 2:05 pm
Location: Oval Office

Unknown people (Secret Service agents) entered.

**********************************************************************

[Previous PRMPA Federal Statute (A) withdrawal. This segment was rereviewed 11/19/2019
with new guidance. Segment cleared for release.]
[Federal Statute]
[491-012-w001]
[Duration: 3s]
       Agent answering phone

**********************************************************************

     President's location
           -Cabinet Room

The conversation was cut off at an unknown time before 2:05 pm.

Also recorded on April 28, 1971

  • 491-005 12:00 PM · 15 min — President Richard M. Nixon, Ronald L. Ziegler, Tricia Nixon Cox, and Howell Conant met in the Oval Office of the White House from 12:00 pm to 12:16 pm.
  • 491-006 12:16 PM · 1 min — United States Secret Service agents met in the Oval Office of the White House at an unknown time between 12:16 pm and 12:35 pm.
  • 491-007 12:16 PM · 17 sec — Alexander P. Butterfield and unknown person(s) met in the Oval Office of the White House at an unknown time between 12:16 pm and 12:35 pm.
  • 491-008 12:16 PM · 10 sec — United States Secret Service agents met in the Oval Office of the White House at an unknown time between 12:16 pm and 12:35 pm.
  • 491-009 12:37 PM · 6 min — President Richard M. Nixon, Tricia Nixon Cox, Ann Coffin, and Howell Conant met in the Oval Office of the White House from 12:37 pm to 12:39 pm.
  • 491-010 12:39 PM · 29 min — President Richard M. Nixon, Gerhardt Schroeder, Henry A. Kissinger, Helmut ("Hal") Sonnenfeldt, and Stephen B. Bull met in the Oval Office of the White House from 12:39 pm to 1:06 pm.
  • 491-011 1:07 PM · 47 min — President Richard M. Nixon, Ronald L. Ziegler, H. R. ("Bob") Haldeman, and Manolo Sanchez met in the Oval Office of the White House from 1:07 pm to 1:56 pm.
  • 491-013 2:07 PM · 1 min — United States Secret Service agents met in the Oval Office of the White House on an unknown date, sometime between 2:07 pm on April 28, 1971 and 9:04 am on May 5, 1971.

All 31 conversations from April 28, 1971 →

Cite this conversation

Conversation 491-012, April 28, 1971. White House Tapes, Richard Nixon Presidential Library and Museum, National Archives. Audio and AI transcript via Easy Nixon, https://www.easynixon.org/tapes/491-012 (accessed October 12, 2026).