swearing in of lyndon johnson as president. >> that whole scene is obviously just surreal. she arrives in the cabin in air force one in these clothes, covered with the president's blood, and expected to stand there and witness the swearing in of her husband's successor. >> reporter: mrs. kennedy was still in her suit when she arrived later that evening in andrew's air force base in maryland where she received her husband's body. the president's brother at her side in the middle of the night. once at the white house her personal made put the suit in a bag so mrs. kennedy wouldn't have to look at it. then, sometime in 1964 the bloodstained suit arrived here, at the national archives building in the nation's capitol. it come in a box with a handwritten note from jackie kennedy's mother on her personal stationary. it read simply jackie's suit and bag worn november 22nd, 1963.