Killer Trials: Judgment Day

Mystery on the Mountain [Murder on the Mountain] (1x17)

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Peter Bergna, and his bubbly wife, Rinette were involved in a terrible accident. Peter drives their car off a mountain road, and it plunges some 800 feet down. Rinette is killed but, miraculously, Peter Bergna survives with just a sprained ankle and a bruise on his head. The police are suspicious of his account of what happened but have no proof that he crashed his car deliberately.