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Story summary
- Gunma Prefectural Police arrested 30-year-old Riki Mihara outside a pachinko parlor in Takasaki on Sunday.
- Mihara was wanted for killing 52-year-old Yuka Tezuka and attempting to kill her 26-year-old son in Ota.
- His former wife, 28-year-old daughter, reported his domestic-violence threats to Tochigi police on Sept. 19.
- Police warned Mihara and instructed his daughter to hide.
- Despite the warning, the daughter returned home Friday before his arrest.