One of Japan’s Youngest Serial Killers

He killed his mother and two girls for pleasure.

S.A. Ozbourne
9 min readMar 11, 2021
Yukio Yamaji (Source: Murderpedia)

Some crimes can be prevented, some can not. The murder of a mother by her 16-year-old son might not have been able to be stopped but the murders the boy committed after, could have. Yukio Yamaji, who brutally beat his mother to death with a metal bat was given another chance.

Instead of receiving help from mental health experts, he was let out on the streets to fend for himself. Broke, alone, and with no one to help control his urges and mental illness, he took more lives. Had someone intervened, this boy could have grown into a reformed and rehabilitated man. Instead, he became a serial killer.

This is the story of a boy who killed his mother, then despite confessing and turning himself in, was able to kill again. Why did he kill his mother? Why was he let free after being caught? Who were his next victims? How could this have been prevented?

Yukio

Yukio Yamaji was born on August 21, 1983. He grew up in the city of Yamaguchi in Japan and was an only child. His father died of cirrhosis due to alcoholism when Yuji was only in elementary school. His mother worked as a store clerk. The family was not very well off financially so the death of his father hit both his mother and Yukio pretty hard.

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S.A. Ozbourne
S.A. Ozbourne

Written by S.A. Ozbourne

Canadian in Japan. Teacher, Crime writer, video editor, and pet lover. Follow my journey via my monthly newsletter: https://bit.ly/team-ozsome-subscribe

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