Father Convicted of Killing Mother and Kids Divided on Guilt
I think this was a Dateline episode from several years back, so it might be a long shot. The father (who was white) was convicted of killing his wife/the mother (who I think was Asian). He originally said she had run away but then it became apparent that was not true as she was missing several years. They had two or three adult children who were split on the father’s guilt. One of the children (I think the son) originally thought the father was innocent but after the trial/evaluating all the facts decided he had to be guilty.