Key Facts
• June 15, 7:00 PM: Passerby reports deceased elderly couple in car.
• Location: Nishikoiso, Oiso Town, Kanagawa Prefecture.
• Victims: Osamu Onoue (82) and Masako Onoue (85).
• Cause of death: Brain contusion from gunshot wounds.
• Evidence: Homemade gun found near Osamu Onoue.
• Car details: Locked, Osamu in driver’s seat, Masako in passenger seat.
• Living situation: Couple lived together; Osamu cared for Masako at home.
• Police theory: Osamu killed Masako, then committed suicide due to caregiver fatigue.
Summary
An elderly couple, Osamu Onoue (82) and Masako Onoue (85), were found dead in a locked car in Oiso Town, Kanagawa Prefecture, on June 15. Police suspect a murder-suicide involving a homemade gun, discovered near Osamu. Both suffered fatal brain contusions from gunshot wounds. The couple lived together, with Osamu acting as Masako’s caregiver. Authorities believe caregiver fatigue may have driven Osamu to kill Masako before taking his own life. Investigations are ongoing.
