Name: Kyoko Naito.
Age at death: 69.
Disability: Diabetes, mobility impaired.
Name: Hiroki Naito.
Age at death: 36.
Disability: Mental illness/hikikomori.
Cause of death: Multiple murder.
Location: Ono, Gifu Prefecture, Japan.
Died: November 26, 2018.
Kyoko’s husband killed her and her son Hiroki by strangling them with a necktie.
Perpetrator: Hisaki Naito (Husband/Father), arrested.