Futoshi Matsunaga (松永 太, Matsunaga Futoshi?, born April 28, 1961) is a Japanese serial killer who both defrauded and tortured his victims in what is publicly known as the Kitakyusyu Serial Murder Incident (北九州連続殺人事件). He was convicted of six counts of murder and one count of manslaughter, including two children, between the years 1996 and 1998. He murdered his victims with an accomplice, Junko Ogata.
His crimes were so atrocious that most mass media were not willing to report the details. The Japan Times reported that prosecutors said " is without comparison in the criminal history of our country". Despite that, several writers, including Ryuzo Saki, published the details of the crimes.
Read more about Futoshi Matsunaga: Early Life, The First Two Victims, Captivity and Murders, Arrest and Trial, Victims