ABC Online | Ian David Thomas murder trial: Son shot his father then 'went insane' after finding his mother strangled ABC Online A man on trial for killing his parents in Victoria's north-east has told a court he shot his father then "went insane" after finding his mother strangled with cable ties. Ian David Thomas, 35, has pleaded not guilty to the murders of his parents Bill ... Double-murder accused Ian Thomas killed dad with shotgun, pick axe in self defence, court told Shooting self-defence: Vic murder accused Accused killer Ian Thomas claims he shot father dead in self-defence |