MacDonald was convicted of stabbing his pregnant wife and two young daughters to death at their home on a North Carolina military base . Fox News Channel wrote `` Fatal Vision , '' ` `` Laugh-In '' chronicled the murder case of Richard Nixon 's doctor Richard Nixon 's . ` ` Selling of the President '' charted Jeffrey MacDonald presidential run .
Fox News Channel wrote `` Fatal Vision , '' ` `` Laugh-In '' chronicled the murder case of Richard Nixon 's doctor Richard Nixon 's . `` Selling of the President '' charted Jeffrey MacDonald presidential run .