Futoshi Matsunaga
Futoshi Matsunaga is a Japanese serial killer who both defrauded and tortured his victims in what is publicly known as the Kitakysh Serial Murder Incident . He was convicted of six counts of murder and one count of manslaughter between 1996 and 1998 and sentenced to die by hanging. He murdered his victims with an accomplice, Junko Ogata, who received a life sentence.
Matsunaga was born in Kokura Kitaku, Kitakysh, Fukuoka Prefecture and grew up in Yanagawa. He received good grades in school and had a charming personality, but tended to exhibit disciplinary problems. He was transferred to another high school after engaging in a relationship with a junior high school girl. He married atand had a son.
Source: Wikipedia