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Mutsuo Toi, the 21-year-old responsible for the Tsuyama massacre, pictured before 1938
|Location||Kamo, Tsuyama, Okayama Prefecture, Empire of Japan|
21 May 1938 |
1:30 a.m. – 3:00 a.m.
|Mass murder, murder-suicide|
|Weapons||Remington M11 shotgun, Japanese sword, axe|
|Deaths||31 (including the perpetrator)|
|Motive||Revenge for perceived sexual and social rejection|
Mutsuo Toi (都井 睦雄 Toi Mutsuo), a 21-year-old man, killed 30 people, including his grandmother, with a Browning shotgun, katana, and axe, and seriously injured three others before killing himself with the shotgun.
Mutsuo Toi cut the electricity line to the village of Kamo on the evening of 20 May, which left the community in darkness. At around 1:30 a.m. on 21 May, he killed his 76-year-old grandmother by decapitating her with an axe. Then he strapped two electric torches to his head and prowled through the village like a youth engaged in "night-crawling" or "Yobai" (夜這い), entering the homes of his neighbours. He killed 29 neighbours (27 of whom died at the scene of the incident, while two others were fatally wounded, dying of their injuries later) and seriously injured three others in about an hour and half using a Browning shotgun, a Japanese sword and an axe. This was almost half of the residents of the small community. At dawn he committed suicide by shooting himself in the chest.
Mutsuo Toi (都井 睦雄 Toi Mutsuo, 5 March 1917 – 21 May 1938) was born in Okayama Prefecture to well-off parents. His parents died of tuberculosis when he was a baby, so he and his sister were brought up by their grandmother. He was originally outgoing, but at the age of 17 he became socially withdrawn after his sister married in 1934.
From his suicide notes it appears that after May 1937 when he was diagnosed as suffering from tuberculosis, the young women in the village rejected his sexual advances.
Toi left several long notes which revealed that he was concerned about the social impact of his tuberculosis, which in the 1930s was an incurable fatal illness. He felt that his female neighbours became cold towards him once they knew of his illness, and that he was despised as hypersexual, and he also stated in the notes that neighbours insulted and treated him badly after he was found to have tuberculosis.
For revenge, he decided to enter their homes and kill them. He waited for the time when the women returned to their houses. The authorities were concerned, and his gun license was revoked. He however prepared swords and guns secretly.
He regretted that he would not be able to shoot some people he wanted to, as that would have involved killing people he regarded as innocent. He also wrote that he killed his grandmother because he could not bear leaving her alive to face the shame and social stigma that would be associated with a "murderer's grandmother".
A 1983 Japanese film, Village of Doom, was based on the massacre.
The attack is one of the worst rampage killings by a single perpetrator in modern history.
- 理不尽な凶行、遺族ら「無念」…秋葉原無差別殺傷事件 (in Japanese). Sports Hochi. 2008-06-09. Archived from the original on 13 June 2008. Retrieved 2008-06-13.
- ForeignPolicy.Com The List: The World’s Worst Shooting Rampages Kaio, Japan Mutsuo Toi, a 21-year-old from a wealthy family, had been shunned by women and rejected from military service for having tuberculosis. Finally one night, he snapped. He cut the electricity to his village, bound two flashlights to his head, and shot or stabbed nearly half of the small community over the course of 90 minutes before then shooting himself at dawn. Before embarking on his rampage, he decapitated his grandmother with an ax. Aftermath: Toi left notes complaining of being ostracized for his disease. His bizarre attack has inspired at least four books, several films, and at least one play. Until 1982, his rampage was known as the world’s worst massacre by a single individual."Archived copy". Archived from the original on April 29, 2007. Retrieved 2008-06-12.(subscription required)
- 津山事件 (in Japanese). 無限回廊. Archived from the original on 26 May 2008. Retrieved 2008-06-13.
- "LUNATIC KILLS 27 IN JAPAN; Young Man Shoots Sleeping Men, Women and Children". The New York Times. May 22, 1938. Retrieved 22 April 2009.(subscription required)