In the case of the murder of four people in Nakano City, Nagano Prefecture, one of the two police officers killed was shot with a hunting rifle and then stabbed with a knife became fatal, according to interviews with police.

The dashcam of the police car recorded the shooting of two police officers, and the police are investigating that there was a strong murderous intent.

On May 5, Yukie Murakami (25) and Yasuko Takeuchi (66), who live nearby in Ebe, Nakano City, were stabbed with knives, and Lt. Yoshiki Tamai (70) and Sergeant Takuo Ikeuchi (46) of the Nakano Police Station, who rushed to the station after receiving a report, were shot and killed with hunting rifles.

Police have arrested Masanori Aoki, 61, on suspicion of murder against Sergeant Ikeuchi, and are also investigating the suspicion of killing three others.

Subsequent investigations revealed that the dashcam of a police car with two police officers recorded the suspect shooting a gun.

In recorded footage, the suspect fired two hunting rifles into the car through the driver's side window where Sergeant Ikeuchi was sitting.

According to the police, it is believed that he then stabbed Lt. Tamai with a knife as he went around from the back of the police car to the passenger side, opened the door and tried to evacuate outside, and this stab wound became fatal.

In response to the investigation so far, he has stated that he killed the police officer who rushed to him because he thought he would be shot, and the police are investigating it because they believe that he had a strong murderous intent.

※ "Yasu" is Yasushi's "moon" is "yen"