Examines the evidence in the case against MacDonald, who was convicted in 1979 of murdering his pregnant wife and two daughters. A Green Beret physician, MacDonald claimed that the murders w... Read allExamines the evidence in the case against MacDonald, who was convicted in 1979 of murdering his pregnant wife and two daughters. A Green Beret physician, MacDonald claimed that the murders were committed by drug-crazed hippies.Examines the evidence in the case against MacDonald, who was convicted in 1979 of murdering his pregnant wife and two daughters. A Green Beret physician, MacDonald claimed that the murders were committed by drug-crazed hippies.