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Case of the last person killed on September 11, 2001 in New York remains unsolvedPhoto by 7945425 on Pexels
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Case of the last person killed on September 11, 2001 in New York remains unsolved

extra12 September 2026 at 13:00

Henryk Siwiak, a 46-year-old Polish immigrant and father of two, was shot dead in Brooklyn shortly before midnight on September 11, 2001. His death was recorded at 11:42 PM, making him the last person to die that day. The case remains unsolved and is considered the only homicide recorded in New York City on that fateful day, with no suspect ever arrested and no definitive motive established.

While nearly three thousand people died in the terrorist attacks on the Twin Towers of the World Trade Center, caused by planes hijacked by al-Qaeda terrorists, Siwiak's death remains an isolated mystery. The New York Police Department (NYPD) continues to classify the case as active and has periodically requested new information about the incident.

According to the article, former police colleagues and specialists have suggested that the case needs to be reviewed with new technologies and a fresh investigative eye in order to finally be solved.

Why this matters

This story persists as an unresolved mystery amid the larger tragedy of September 11. For the Siwiak family, there is still hope for justice and closure. For authorities, it represents an outstanding case that could benefit from advances in forensic technology. For New York, it remains the only homicide death on that memorable day, a distinction authorities continue trying to resolve.

About this summary

This is our short summary of a report published by extra on 12 September 2026 at 13:00; the full text stays with the publisher. In our feed it sits under Incidents. We currently carry 24352 items in that section.

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