{"conversationCode":"645-002","tapeNumber":645,"conversationNumber":2,"identifier":"37-wht-conversation-645-002","startDateTime":"1972-01-11T16:10:00.000Z","endDateTime":"1972-01-11T16:33:00.000Z","startDate":"11-Jan-1972","startTime":"11:10 AM","endDate":"11-Jan-1972","endTime":"11:33 AM","dateCertainty":"certain","timeCertainty":"estimated","participants":"Nixon, Richard M. (President); Butterfield, Alexander P.;","description":"On January 11, 1972, President Richard M. Nixon and Alexander P. Butterfield met in the Oval Office of the White House at an unknown time between 11:10 am and 11:33 am. The Oval Office taping system captured this recording, which is known as Conversation 645-002 of the White House Tapes.","locationCode":"OVAL","recordingDevice":"Oval Office","latitudeEstimated":38.8974,"longitudeEstimated":-77.0374,"chronCode":3,"chronRelease":"Third Chronological Release","chronReleaseDate":"28-Feb-2002","aogpRelease":null,"aogpSegment":null,"lastModified":"2015-07-27T17:04:10.235Z","findingAid":"Conversation No. 645-2\n\nDate: January 11, 1972\nTime: Unknown between 11:10 am and 11:33 am\nLocation: Oval Office\n\nThe President met with Alexander P. Butterfield.\n\n     John N. Mitchell [?]\n\nButterfield left at an unknown time before 11:33 am.","filename":["645-002-splice.mp3"],"tapeStart":"00:43:38","tapeEnd":"00:44:06","participantsList":["Nixon, Richard M. (President)","Butterfield, Alexander P."],"prevCode":"645-001","nextCode":"645-003","aiSummary":{"text":"President Nixon and Alexander Butterfield discussed the whereabouts of John Mitchell, who was reportedly unavailable and had left for an unspecified reason. Butterfield was tasked with relaying messages to Mitchell and ensuring he would be contacted upon his return. The primary focus was on locating Mitchell and communicating with him.","topics":["John Mitchell","Alexander Butterfield","President Nixon","Missing person","Communication","White House staff"],"generatedAt":"2026-10-27T15:00:43.512Z"},"topicSlugs":["john-n-mitchell","alexander-p-butterfield","president-nixon","missing-person","communication","white-house-staff"],"audioDurationSec":32,"audioFiles":[{"file":"645-002-splice.mp3","bytes":778702,"durationSec":32.42,"bitrate":192165,"missing":false}],"audioIsShared":false,"audioProbedAt":"2026-10-27T08:05:07.796Z","originalFilename":["645a.mp3"],"spliceSource":{"spliceType":"bigtape","sourceFiles":["645a.mp3"],"cutStart":55.09,"cutEnd":87.5,"adjustedStart":55.09,"adjustedEnd":87.5,"boundaryMethod":"llm-alignment","confidence":"high","splicedAt":"2026-10-27T08:05:07.796Z"},"transcript":[{"start":57.09,"end":59.09,"speaker":"Nixon","text":"Did you find that [unintelligible]?"},{"start":59.09,"end":61.09,"speaker":"Butterfield","text":"No, sir, he wasn't there."},{"start":61.09,"end":63.09,"speaker":"Butterfield","text":"They don't know where he is. I told them to call the instant they got in touch with him."},{"start":63.09,"end":65.09,"speaker":"Butterfield","text":"[unintelligible] told Mitchell"},{"start":65.09,"end":66.09,"speaker":"Butterfield","text":"the same thing."},{"start":66.09,"end":67.09,"speaker":"Butterfield","text":"He just said he had to go somewhere and he'd be back."}],"transcriptCreatedAt":"2026-10-27T14:52:44.150Z","transcriptModel":"google/gemini-3.8-flash","transcriptSource":"audio-llm","audio":["https://nixon.nyc3.digitaloceanspaces.com/audio/645-002-splice.mp3"],"url":"https://www.easynixon.org/tapes/645-002","nixonLibraryUrl":"https://www.nixonlibrary.gov/white-house-tapes/645/conversation-645-002","license":"Public domain (U.S. Government work). AI-generated fields (transcript, aiSummary) are provided as-is without warranty."}