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The 9/11 Commission found no evidence of U.S. foreknowledge of the specific attacks.

The Claim

The National Commission on Terrorist Attacks Upon the United States (the 9/11 Commission) reported that it found no evidence that the U.S. government had foreknowledge of the September 11, 2001 attacks.

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The Short Version

The Commission reported that it found no evidence the U.S. government had advance knowledge of the specific 9/11 attacks. Its report also documented many general threat warnings and intelligence failures, but it did not say officials knew the precise plot in advance. That distinction is central to interpreting the claim accurately.

Caveats

  • “Foreknowledge” is ambiguous; the report rejected evidence of specific, actionable prior knowledge, not the existence of general warnings about al-Qaeda threats.
  • The Commission documented serious intelligence and policy failures before 9/11, so this claim should not be read as saying there were no warning signs at all.
  • This assesses what the 9/11 Commission reported, not broader conspiracy allegations or later reinterpretations unsupported by primary evidence.

The Receipts

  1. The 9/11 Commission Report

    National Commission on Terrorist Attacks Upon the United States

  2. THE 9/11 COMMISSION REPORT

    govinfo

  3. Public Statement by the Chair and Vice Chair Regarding the Report

    National Commission on Terrorist Attacks Upon the United States

  4. The 9/11 Commission Report

    9/11 Commission Report

  5. THE 9/11 COMMISSION REPORT – General Findings

    National Commission on Terrorist Attacks Upon the United States

  6. REPORT OF THE JOINT INQUIRY INTO THE TERRORIST ATTACKS OF SEPTEMBER 11, 2001

    congress.gov

  7. Final Report of the National Commission on Terrorist Attacks Upon the United States

    U.S. Government Publishing Office

  8. 9/11 Commission Report: Executive Summary

    Office of Justice Programs

  9. THE 9/11 COMMISSION REPORT: IDENTIFYING AND ...

    Congress.gov

  10. 9/11 Commission Report Generally Fair and Balanced

    Brookings

+ 12 more sources — see the full list on Lenz

Filed Under

National Commission On Terrorist Attacks Upon The United StatesSeptember 11, 2001 terrorist attacksUnited States Government

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