{"conversationCode":"449-021","tapeNumber":449,"conversationNumber":21,"identifier":"37-wht-conversation-449-021","startDateTime":"1971-09-21T21:15:00.000Z","endDateTime":"1971-09-22T00:20:00.000Z","startDate":"21-Sep-1971","startTime":"5:15 PM","endDate":"21-Sep-1971","endTime":"8:20 PM","dateCertainty":"certain","timeCertainty":"estimated","participants":"United States Secret Service agents;","description":"On September 21, 1971, United States Secret Service agents met in the Oval Office of the White House at an unknown time between 5:15 pm and 8:20 pm. The Oval Office taping system captured this recording, which is known as Conversation 449-021 of the White House Tapes.","locationCode":"OVAL","recordingDevice":"Oval Office","latitudeEstimated":38.8974,"longitudeEstimated":-77.0374,"chronCode":2,"chronRelease":"Second Chronological Release","chronReleaseDate":"26-Oct-2000","aogpRelease":null,"aogpSegment":null,"lastModified":"2015-07-27T17:04:10.235Z","findingAid":"Conversation No. 449-21\n\nDate: September 21, 1971\nTime: Unknown between 5:15 pm and 8:20 pm\nLocation: Oval Office\n\nUnknown men [Secret Service agents ] met.\n\n     [Unintelligible]\n\nThe unknown men [Secret Service agents] left at an unknown time before 8:20 pm.","filename":["449-021.mp3"],"tapeStart":"03:56:10","tapeEnd":"04:00:17","participantsList":["United States Secret Service agents"],"prevCode":"449-020","nextCode":"449-022","transcript":[{"start":22.17,"end":22.83,"text":"Thank you."}],"aiSummary":{"text":"Secret Service agents met with President Nixon in the Oval Office to conduct an administrative or security-related briefing. The dialogue remains largely unintelligible, providing no actionable intelligence or clear records of substantive policy discussions. The meeting concluded when the agents departed the office shortly before 8:20 pm.","topics":["United States Secret Service","White House security","Presidential protective detail","Oval Office protocol"],"generatedAt":"2026-04-06T20:50:22.535Z"},"topicSlugs":["united-states-secret-service","white-house-security","presidential-protective-detail","oval-office-protocol"],"audioDurationSec":23,"audioFiles":[{"file":"449-021.mp3","bytes":930791,"durationSec":23.12,"bitrate":322085,"missing":false}],"audioIsShared":false,"audioProbedAt":"2026-09-18T02:19:47.662Z","audio":["https://nixon.nyc3.digitaloceanspaces.com/audio/449-021.mp3"],"url":"https://www.easynixon.org/tapes/449-021","nixonLibraryUrl":"https://www.nixonlibrary.gov/white-house-tapes/449/conversation-449-021","license":"Public domain (U.S. Government work). AI-generated fields (transcript, aiSummary) are provided as-is without warranty."}