This classic episode of 48 Hours, which last aired on 6/5/2000, takes a look at the September 1994 disappearance of Khristine Smith, a seemingly happy wife and mother. Russ Smith, her husband, claimed that Khristine had abandoned him and their daughter Candace for another man. With no body and little evidence, Detective Dan Westin, head of the cold case unit, was finally able to wear Smith down to the point where he confessed to his crime. 48 Hours correspondent Harold Dow reports. Watch all-new episodes of 48 Hours on Saturdays, and stream on demand on Paramount+.