Tsuyama massacre
| Tsuyama massacre | |
|---|---|
The aftermath of the Tsuyama massacre | |
| Location | Kamo, Tsuyama, Okayama Prefecture, Empire of Japan |
| Coordinates | 35°14′52.8″N 134°02′22.2″E / 35.248000°N 134.039500°E |
| Date | 21 May 1938 1:30 a.m. – 3:00 a.m. |
| Target | Villagers |
Attack type | Mass murder, mass shooting, mass stabbing, murder–suicide |
| Weapons |
|
| Deaths | 31 (including the perpetrator and the perpetrator's grandmother) |
| Injured | 3 |
| Perpetrator | Mutsuo Toi |
| Motive | Revenge for sexual and social rejection |
The Tsuyama massacre (津山事件, Tsuyama jiken) was a revenge mass murder that occurred on the night of 21 May 1938 in the rural village of Kamo close to Tsuyama in Okayama, Empire of Japan. 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. It is the deadliest shooting by a lone gunman in Japanese history.