A young couple was involved in a single vehicle rollover crash at 7 AM on a rural reservation in South Dakota, and then disappeared.Sources for this episode include the Sioux Falls Argus-Leader, the Associated Press, and the Sioux City Journal, with named reporting by Steve Young and Melanie Brandert.If you have any information about the deaths of Arnold Archambeau and Ruby Bruguier, the case has been technically closed, but you can contact the Yankton Sioux Tribal Police at 605-487-7500, or the FBI.

Case Overview: Arnold Archambeau and Ruby Bruguier (1992)

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