Name: Kazuko Saito.
Died: December 13, 2015.
Age at death: 43.
Cause of death: Sharp-force trauma.
Location: Tokyo, Japan.
Disability: Developmental disability.
Details:
Kazuko’s sister killed her with a knife, then committed suicide.
Case status:
Fumiko Saito (Sister), deceased.
Source:
Murder-suicide suspected after discovery of sisters’ corpses
2 sisters dead in apparent murder-suicide