benevolence". Child killer Kaoru Kobayashi described himself as "the next Tsutomu Miyazaki or Mamoru Takuma", to which Miyazaki stated, "I won't allow him to call himself 'the second Tsutomu Miyazaki' when he hasn't even undergone a psychiatric examination." Minister of Justice Kunio Hatoyama signed Miyazaki's death warrant on June 17, 2008, and he was hanged at the Tokyo Detention House that same day. Ryūzō Saki said, "His trial was long" and that he was "not willing to criticize Hatoyama". Victims : four years old, 22 August 1988 : seven years old, 3 October 1988 : four years old, 12 December 1988 : five years old, 6 June 1989 See also Norio Nagayama Insanity defense List of executions in Japan List of serial killers by country References 1962 births 2008 deaths 1988 murders in Asia 1989 murders in Asia 21st-century executions by Japan Executed Japanese serial killers Human trophy collecting Japanese cannibals Japanese murderers of children Japanese people convicted of child sexual abuse Japanese people convicted of murder Japanese people with disabilities Male serial killers Necrophiles Otaku People convicted of murder by Japan People executed by Japan by hanging People from Western Tokyo People with dissociative identity disorder People with personality disorders People with schizophrenia Vampirism (crime)