Mamoru Takuma

Japanese mass murderer responsible for the 2001 Osaka School Massacre (1963–2004)

Source-basedFalling

Lived 1963–2004, aged 41Japan

Summary

Updated 2026-07-19

Mamoru Takuma was a Japanese mass murderer who killed eight children in the Ikeda school massacre in Ikeda, Osaka Prefecture, on 8 June 2001.

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59.2

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Historical13.2

Source confidence55.0

Completeness50.0

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