Morio Tanimoto (61), who was in a serious condition, died at the hospital where he was hospitalized on the night of the 30th in the case where a clinic entering a building in Kita-ku, Osaka was set on fire and 25 people died.
While it is difficult to clarify the motive, the police will investigate the surrounding area and send documents with the suspect dead.
On December 17, 25 people involved were killed and one was seriously injured in an incident in which a psychological internal medicine clinic on the 4th floor of a building in Sonezakishinchi, Kita-ku, Osaka was set on fire, and police went to the clinic. Morio Tanimoto (61), who had been doing this, is being investigated on suspicion of murder and arson.
Tanimoto was also in a serious condition due to severe carbon monoxide poisoning and was treated at the hospital, but according to police, he died after 7 pm on the 30th.
It is believed that Tanimoto sprinkled gasoline purchased in advance and set it on fire, involving many people, and from the houses involved, newspaper articles on past arson incidents and handwritten memos stating "arson murder" were posted. It was found.
It is believed that the case was caused with a strong murderous intention after planning in advance, but the police investigation so far has not found any trouble that could lead to the case between the suspect and the clinic.
As Tanimoto became unable to hear from him and it was difficult to clarify his motives, the police will investigate the surrounding area and will send documents with the suspect dead.
In addition, police will politely explain the facts revealed in future investigations to the victims' bereaved families and injured people.