According to an interview with an investigative official, it was found that the keyhole of the private room where the arrested man was standing was packed with something like adhesive in the case of hostage standing up at an internet cafe in Saitama City.
The police are investigating it as if it was crafted so that it could not be opened from the outside.
Kazutaka Hayashi, a 40-year-old unemployed person with an unspecified address, was arrested on the night of the 18th on suspicion of imprisonment for holding a female employee in her 20s hostage at an internet cafe in Omiya Ward, Saitama City.
Subsequent investigations revealed that the woman had been injured in her neck and elbows for two weeks, and police switched her charges to imprisonment and sent her to the public prosecutor's office on the 20th.
According to police, Hayashi locked the private room from the inside and stood up, and another employee who noticed the incident tried to open the door with the master key but did not open it, but investigators said According to it, the keyhole was packed with something like glue.
Police are investigating it as if it was crafted so that it could not be opened from the outside.
Subsequent investigations also revealed that Hayashi used the store the day before the incident, paid for it the morning of the day, and then visited again.
The police are investigating the details of the investigation by admitting the suspicion and stating that he "does not want to say" about the motive and the situation of confinement.