{"conversationCode":"491-012","tapeNumber":491,"conversationNumber":12,"identifier":"37-wht-conversation-491-012","startDateTime":"1971-04-28T17:56:00.000Z","endDateTime":"1971-04-28T18:05:00.000Z","startDate":"28-Apr-1971","startTime":"1:56 PM","endDate":"28-Apr-1971","endTime":"2:05 PM","dateCertainty":"certain","timeCertainty":"estimated","participants":"United States Secret Service agents;","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.","locationCode":"OVAL","recordingDevice":"Oval Office","latitudeEstimated":38.8974,"longitudeEstimated":-77.0374,"chronCode":1,"chronRelease":"First Chronological Release","chronReleaseDate":"5-Oct-1999","aogpRelease":null,"aogpSegment":null,"lastModified":"2015-07-27T17:04:10.235Z","findingAid":"Conversation No. 491-12\n\nDate: April 28, 1971\nTime: Unknown between 1:56 pm and 2:05 pm\nLocation: Oval Office\n\nUnknown people (Secret Service agents) entered.\n\n**********************************************************************\n\n[Previous PRMPA Federal Statute (A) withdrawal. This segment was rereviewed 11/19/2019\nwith new guidance. Segment cleared for release.]\n[Federal Statute]\n[491-012-w001]\n[Duration: 3s]\n       Agent answering phone\n\n**********************************************************************\n\n     President's location\n           -Cabinet Room\n\nThe conversation was cut off at an unknown time before 2:05 pm.","filename":["491-012.mp3"],"tapeStart":"02:22:12","tapeEnd":"02:23:00","participantsList":["United States Secret Service agents"],"prevCode":"491-011","nextCode":"491-013","transcript":[{"start":0.54,"end":9.25,"text":"Wait."},{"start":21.15,"end":21.25,"text":"Wait."}],"aiSummary":{"text":"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.","topics":["Secret Service","Presidential security","Oval Office","operational logistics","White House security"],"generatedAt":"2026-04-06T22:03:30.178Z"},"topicSlugs":["secret-service","presidential-security","oval-office","operational-logistics","white-house-security"],"audioDurationSec":41,"audioFiles":[{"file":"491-012.mp3","bytes":1660134,"durationSec":41.38,"bitrate":320985,"missing":false}],"audioIsShared":false,"audioProbedAt":"2026-09-18T02:19:48.989Z","audio":["https://nixon.nyc3.digitaloceanspaces.com/audio/491-012.mp3"],"url":"https://www.easynixon.org/tapes/491-012","nixonLibraryUrl":"https://www.nixonlibrary.gov/white-house-tapes/491/conversation-491-012","license":"Public domain (U.S. Government work). AI-generated fields (transcript, aiSummary) are provided as-is without warranty."}