Kazuko Saito

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Name: Kazuko Saito.
Died: December 13, 2015.
Age at death: 43.
Cause of death: Murder-suicide.
Location: Tokyo, Japan.
Disability: Developmental disability.

Details:
Kazuko’s sister killed her with a knife, then committed suicide.

Perpetrator: Fumiko Saito (Sister).

Source: Murder-suicide suspected after discovery of sisters’ corpses