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'Possessed' killer murdered sisters to remember 'feeling' of beating his mother to death
serial killer Yukio Yamaji was still a teenager when he brutally beat his mother to death with a metal baseball bat.Because of his youth and unfortunate family circumstances, the killer was committed to juvenile detention for just three years before he was released, with authorities thinking he was a changed man.It soon became clear this was not the case.READ MORE: Creepy death row paintings of killer clown John Wayne Gacy flogged for thousandsThe man who would eventually go on to earn the nickname 'the Osaka Sister Killer' was just 16 when he turned himself into police for killing his mother in their apartment in Yamaguchi, Japan.His motive was simple, he explained: "She did not tell me what she would use her borrowed money for," and "She complained about my father," seemed to be sufficient reasons for murder in his eyes.The young boy was sentenced to three years in a juvenile detention school after the courts determined it was 'possible to reform him' because of how young he was, and because of unfortunate family circumstances, including the death of his father in 1995, and the financial struggles his family faced.While at the school he made good use of his time, gaining a number of qualifications, and was subjected to psychological tests which revealed he had a developmental disorder that prevented him from forming lasting relationships.Three years after he was committed, he emerged a free man.When Yamaji was released back into the world, he seemed a changed man.
