According to police, the suspect, Yasuki Nemoto, the corporate representative of the disability group home in Kashiwa, is suspected of punching and kicking the resident, Ryuhei Mihara, who had an intellectual disability, in March last year, resulting in his death. In addition, Miki Tobari, who was a staff member at the time, was arrested on suspicion of destroying evidence, including wiping away bloodstains at the scene. Nemoto’s wife was also arrested on suspicion of inciting the destruction of evidence.