Key Facts
• July 10, 2025: A 59-year-old woman, Kazuyo Tamura, arrested in Matsuyama, Ehime.
• October 3, 2024: Allegedly injected non-diabetic husband, Shinichi Tamura (57), with insulin.
• Husband found unconscious by caregiver due to severe hypoglycemia; later recovered.
• Police investigation revealed both were unemployed and on welfare at the time.
• Kazuyo admitted to the crime, stating, “I intended to kill him.”
• Insulin was prescribed for Kazuyo’s diabetes; used in the alleged attempt.
• Financial disputes between the couple may have contributed to the incident.
• Shinichi passed away in 2024 from an unrelated illness.
Summary
Kazuyo Tamura, a 59-year-old woman from Matsuyama, Ehime, was arrested on July 10, 2025, for the attempted murder of her husband, Shinichi Tamura, in October 2024. She allegedly injected him with insulin, despite him not being diabetic, leading to severe hypoglycemia. A caregiver discovered Shinichi unconscious the following day, prompting a police investigation. Kazuyo admitted to the crime, citing intent to kill. Both were unemployed and on welfare at the time, with financial disputes reportedly straining their relationship. The insulin used was prescribed for Kazuyo’s diabetes. Shinichi recovered from the hypoglycemia but passed away later in 2024 due to an unrelated illness. Authorities continue to investigate the case’s full circumstances.
