4-year-old second daughter poisoned to death case Second daughter placed in at least six day care facilities. In March last year, Kenichi Hosoya and his wife Shiho Hosoya exposed their second daughter to harmful substances contained in car antifreeze.

He was arrested on suspicion of murdering her by ingesting a chemical substance such as "ethylene glycol" The Metropolitan Police Department is investigating the child, suspecting that he had been repeatedly transferred to different kindergartens to avoid the discovery of inappropriate childcare conditions.