tokyo japanese man wield sword kill sister shinto priestess ground tokyo shrine stab wife death commit suicide police media say police decline comment motive thursday kill family feud shigenaga tomioka 56 attack nagako tomioka 58 chief priestess tomioka hachimangu shrine get car media report say sister 49-year-old wife mariko stab wound driver car sword police say kill shigenaga send threaten letter sister 2006 say would send hell sankei newspaper say shinto traditional religion japan many shrine dot country tomioka hachimangu shrine establish 1627 close link sumo emperor empress visit 2012. japanese man kill wife priestess sister sword bizarre family feud media