4-year-old dies from poisoning; analysis of confiscated smartphones; effects of chemicals on human body; search history. 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 the chemical ``ethylene glycol'' and the antipsychotic drug ``olanzapine,'' and was sent to the public prosecutor's office on the 16th.