Fact check
Is it true: Aum Shinrikyo 1995 Tokyo Subway Sarin Attack?
Yes — this is confirmed.
The March 20, 1995 Tokyo subway sarin attack by Aum Shinrikyo is fully documented through Tokyo District Court trial records, NPA investigations, and journalism. Thirteen killed, approximately 6,250 injured. Shoko Asahara and 12 senior members were executed July 6, 2018. Post-attack inquiries confirmed that Japanese authorities had received prior warnings about Aum's criminal activities — including the 1994 Matsumoto sarin attack — and had investigated inadequately. The inadequacy of prior investigation is confirmed; the characterisation of total institutional inaction overstates the finding.
The claim
On March 20, 1995, five members of the Aum Shinrikyo cult released sarin nerve agent in five Tokyo subway lines during morning rush hour, killing 13 people and injuring approximately 6,250. The attack
Key evidence
Tokyo District Court convictions documented in full trial record
Prior-warnings claim: inadequate investigation, not total inaction
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