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Murder of Mother-in-Law and Assault of Son in Gunma Prefecture Leads to Arrest
By Drooid · · How we work
Fatal Attack in Ota, Gunma Prefecture
Police in Gunma Prefecture reported that a 30-year-old man attacked a family in the city of Ota, killing the 52-year-old mother of his former wife and injuring her 26-year-old son. The victim was found bleeding on the floor and was pronounced dead at the scene. The daughter, aged 28, was unharmed.
Prior Domestic-Violence Reports
According to investigative sources, the daughter had repeatedly sought police assistance in both Gunma and neighboring Tochigi Prefecture over alleged domestic violence by the suspect. Earlier in the month, she reported that the suspect had threatened to kill her mother and brother before committing suicide. Police responded by giving the suspect verbal instructions and advising the daughter to hide in a location unknown to him.
Arrest of Riki Mihara
Gunma police identified the suspect as Riki Mihara. He was spotted the following day in a pachinko parlor near JR Takasaki Station and was taken into custody without resistance. Police seized his vehicle from a nearby store’s parking lot during the investigation.
Police Findings and Investigation
Gunma authorities stated that Mihara admitted to attempting to kill the son. They also indicated that he is believed to have been involved in the mother’s murder. The daughter’s earlier reports and the police’s verbal warnings were cited as part of the investigative timeline leading to Mihara’s apprehension.
Implications and Next Steps
The case underscores concerns about domestic-violence reporting and police response in the region. Authorities have not disclosed further details about potential charges or court proceedings, but the arrest demonstrates coordinated action across prefectural jurisdictions following multiple victim reports.