Seiichi Endo (遠藤誠一, Endō Seiichi, 5 June 1960 – 6 July 2018) was an Aum Shinrikyo member who was executed for his participation in the 1995 Tokyo subway sarin attack and a number of other crimes.

[1] He produced the Sarin gas for the attack after leader Shoko Asahara told him to do so.

[2] Endo was a native of Sapporo, Hokkaido;[3] he graduated from a veterinary school.

He later studied virus and genetic engineering at Kyoto University graduate school.

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