Ikeda school massacre | |
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![]() The Ikeda Elementary School where the stabbing took place, pictured 2018 | |
Location | Ikeda, Osaka Prefecture, Japan |
Date | 8 June 2001 |
Target | Students and staff at Ikeda Elementary School, particularly girls |
Attack type | Mass stabbing, school stabbing, mass murder, pedicide, femicide |
Weapon | Deba knife (blade length about 15.8 cm) |
Deaths | 8[1] |
Injured | 15 |
Perpetrator | Mamoru Takuma |
Motive | Mental illness |
The Ikeda school massacre (sometimes referred to as the Osaka school massacre) was a school stabbing and mass murder that occurred in Ikeda, Osaka Prefecture, Japan, on 8 June 2001. Mamoru Takuma, a 37-year-old ex-convict with a history of mentally disturbed and anti-social behavior, stabbed eight students to death and seriously wounded fifteen others in a knife attack that lasted several minutes. Takuma was sentenced to death in August 2003, and executed in September 2004.
As of 2024, it is currently the deadliest school attack in Japanese history.