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Keyword and entity retrieval over indexed evidence, hypotheses, and claims. Nothing is answered from model memory on this page. For a scored percentage with the working shown, open Fact or Fiction.
Topic remit
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Engineering
Facilitation
Intelligence & process
Foreknowledge
Independent cluster
Entities
Matching hypotheses
- H008U.S. agencies possessed actionable pre-attack intelligence on these two operativesScore
- H009Relevant intelligence was withheld from the 9/11 CommissionScore
- H015Able Danger identified Atta's cell before 9/11 and was blocked from warning the FBIScore
- H021The 9/11 Commission was structurally prevented from being a truth-seeking enquiryScore
Matching claims
- verifiedCLM-007
U.S. agencies had actionable information on Mihdhar's U.S. visa in January 2000 and failed to watchlist him until August 2001.
- indeterminateCLM-008
Bayoumi had advance knowledge that the 9/11 attacks would occur.
- well_supportedCLM-009
The FBI withheld Bayoumi-related intelligence from the 9/11 Commission.
- disputedCLM-018
UA93 was shot down by U.S. military rather than crashed by a passenger counterattack.
- disputedCLM-031
The 9/11 Commission was not a truth-seeking body; the Report is a 'Zelikow Report' defined by systematic omissions.
- unverifiedCLM-034
Reported 9/11 aircraft manoeuvres were not flyable manually by the named hijacker-pilots (automation/remote guidance).
- verifiedCLM-037
A large born-digital public archive of 11 September emails, stories, and images exists and was acquired by the Library of Congress in 2003.
- partially_supportedCLM-041
The U.S. pressed the Taliban to expel bin Laden more than 30 times, with only three approaches in the first Bush year.
- well_supportedCLM-042
About three-quarters of CIA materials cited by the 9/11 Commission, including all KSM interrogation reports, remained withheld as of the 2012 File posting.
Evidence supporting
46CIA 9/11 File posting — 100+ FOIA documents, 19 June 2012
The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2012-06-19
In 2012 the National Security Archive posted 100+ CIA documents cited in Commission footnotes, and stated that this was about one-quarter of the CIA material the Commission cited, with KSM interrogation reports still withheld.
Taliban File update: U.S. pressed Taliban to expel UBL over 30 times
The Taliban File (NSAEBB 97) and updates · 2004-01-30
The National Security Archive's Taliban File update states the U.S. pressed the Taliban to expel bin Laden over 30 times, with only three approaches in the first Bush year.
MacQueen — 118 Witnesses: Firefighters' testimony to explosions (Journal of 9/11 Studies, Aug 2006)
Journal of 9/11 Studies · 2006-08-01
In 2006 MacQueen published a compilation of 118 firefighter explosion-language statements drawn from FDNY oral histories.
Kevin R. Ryan — Extreme temperatures at the WTC (Toronto Report ch.10)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Ryan compiles NIST temperature figures, molten-metal witness language, RJ Lee iron-sphere percentages, USGS molybdenum spheres, and FEMA Appendix C sulfidation, and treats them as requiring a heat source above office-fire steel-melting.
DCI Report draft 19 March 2004: FBI dissemination still 'spotty'; cultures clash
The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2004-03-19
A March 2004 CIA draft history says FBI internal dissemination remained so weak that CIA officers still hand-delivered messages, and that FBI-CIA cultural clash impeded results.
NORAD exercises on 11 September including Vigilant Guardian
Michael Bronner, '9/11 Live: The NORAD Tapes,' Vanity Fair (August 2006) · 2006-08-01
NORAD was running exercises on 11 September that included hijack-related injects, and operators asked whether reports were exercise or real.
Evidence contradicting
10Commission/SEC: no evidence anyone with advance knowledge profited in securities
9/11 Commission / SEC review of pre-attack securities trading · 2004-07-22
The Commission published a negative finding on securities profits by people with advance knowledge of the attacks.
Commission staff: Able Danger Atta identification not substantiated
9/11 Commission Report · 2005-08-12
Commission staff published that they could not substantiate a pre-9/11 Able Danger identification of Atta.
Legge & Stutt — AA77 FDR analysis supports official Pentagon flight path (Jan 2011)
Journal of 9/11 Studies · 2011-01-01
A 2011 Journal of 9/11 Studies FDR analysis concludes the official AA77 path to Pentagon impact is supported.
John D. Wyndham — Problems with theories alternative to large-plane impact at the Pentagon (Nov 2011)
Journal of 9/11 Studies · 2011-11-01
The Journal of 9/11 Studies published a 2011 paper arguing that theories alternative to a large-plane Pentagon impact have problems.
Commission: Bayoumi did not give them money beyond the reimbursed check
9/11 Commission Report · 2004-07-22
Commission found no continuing financial transfers from Bayoumi to the two men.
Commission: no evidence Thumairy assisted the two operatives
9/11 Commission Report · 2004-07-22
2004 Commission published a negative finding on Thumairy assistance.
Ambiguous
59SHSU LibGuide page: 9/11 Attack, Afghan and Iraq Wars
SHSU Library — U.S. History: Primary Source Collections Online (9/11 page) · 2026-04-16
On 3 September 2026 the SHSU guide listed eight 9/11-related collections and one Iraq-war Veterans History Project link, with the annotations quoted in full_text.
Veterans History Project — Iraq War box; loc.gov 403
SHSU Library — U.S. History: Primary Source Collections Online (9/11 page) · 2026-09-03
The guide's Iraq-war Veterans History Project link did not yield files at ingest.
Newseum Today's Front Pages (12 Sep 2001 and 2 May 2011) — URLs dead
SHSU Library — U.S. History: Primary Source Collections Online (9/11 page) · 2026-09-03
The Newseum front-page URLs in the SHSU guide were dead at ingest.
AP Archive 9/11 / Conflicts & Terrorism compilations — commercial, not retrieved
SHSU Library — U.S. History: Primary Source Collections Online (9/11 page) · 2026-09-03
The AP Archive 9/11 video compilations named by the guide are behind a commercial wall and were not retrieved.
Wikipedia sub-articles: WTC demolition theories, advance knowledge, 9/11 truth movement
Wikipedia — 9/11 conspiracy theories (encyclopedia article) · 2026-09-03
Wikipedia's demolition, advance-knowledge, and truth-movement pages repeat named sources already on this board; they did not add a new primary measurement.
Tertiary blog repeating Commission language via a book via a news story
Composite tertiary web commentary (circular-sourcing demonstration) · 2011-09-11
A 2011 web post restates the Bayoumi story without a new primary document.
Contemporary reports
48Alleged ISI / Mahmoud Ahmad / Saeed Sheikh wire to Atta
Reporting on Lt. Gen. Mahmoud Ahmad, ISI, and alleged Atta funding via Saeed Sheikh · 2001-10-01
Ahmad was in Washington on 9/11; press alleged an ISI-linked transfer to Atta that is not confirmed by a public U.S. primary in this lab.
Taliban File update: U.S. pressed Taliban to expel UBL over 30 times
The Taliban File (NSAEBB 97) and updates · 2004-01-30
The National Security Archive's Taliban File update states the U.S. pressed the Taliban to expel bin Laden over 30 times, with only three approaches in the first Bush year.
CIA CTC 2003-40044HC — '11 September: The Plot and the Plotters'
The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2003-06-01
A 1 June 2003 CIA CTC report titled 11 September: The Plot and the Plotters exists, is a major Commission source, and includes the analytical claim that the Saudi composition of the teams had political as well as visa-access value.
DCI Report draft 19 March 2004: FBI dissemination still 'spotty'; cultures clash
The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2004-03-19
A March 2004 CIA draft history says FBI internal dissemination remained so weak that CIA officers still hand-delivered messages, and that FBI-CIA cultural clash impeded results.
1998 raw intelligence: UBL hijack trial run at a New York airport
The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 1998-12-03
A December 1998 CIA raw report, later a PDB item, stated that a UBL-linked hijack plan was proceeding and that two team members in the U.S. had evaded security in a New York airport trial run.
CIA had Mihdhar visa information in January 2000; FBI notified August 2001
9/11 Commission Report · 2004-07-22
U.S. intelligence possessed Mihdhar's visa/travel data in January 2000 and did not get it to FBI watchlisting until August 2001.
Later recollections / analysis
67SHSU LibGuide page: 9/11 Attack, Afghan and Iraq Wars
SHSU Library — U.S. History: Primary Source Collections Online (9/11 page) · 2026-04-16
On 3 September 2026 the SHSU guide listed eight 9/11-related collections and one Iraq-war Veterans History Project link, with the annotations quoted in full_text.
Veterans History Project — Iraq War box; loc.gov 403
SHSU Library — U.S. History: Primary Source Collections Online (9/11 page) · 2026-09-03
The guide's Iraq-war Veterans History Project link did not yield files at ingest.
Newseum Today's Front Pages (12 Sep 2001 and 2 May 2011) — URLs dead
SHSU Library — U.S. History: Primary Source Collections Online (9/11 page) · 2026-09-03
The Newseum front-page URLs in the SHSU guide were dead at ingest.
AP Archive 9/11 / Conflicts & Terrorism compilations — commercial, not retrieved
SHSU Library — U.S. History: Primary Source Collections Online (9/11 page) · 2026-09-03
The AP Archive 9/11 video compilations named by the guide are behind a commercial wall and were not retrieved.
Wikipedia sub-articles: WTC demolition theories, advance knowledge, 9/11 truth movement
Wikipedia — 9/11 conspiracy theories (encyclopedia article) · 2026-09-03
Wikipedia's demolition, advance-knowledge, and truth-movement pages repeat named sources already on this board; they did not add a new primary measurement.
Tertiary blog repeating Commission language via a book via a news story
Composite tertiary web commentary (circular-sourcing demonstration) · 2011-09-11
A 2011 web post restates the Bayoumi story without a new primary document.
Official documents
61U.S. State Department, 28 August 2006: public-diplomacy page on 'top' 9/11 conspiracy theories
U.S. Department of State — The Top September 11 Conspiracy Theories (28 August 2006) · 2006-08-28
On 28 August 2006 the U.S. State Department published an official webpage rejecting the main 9/11 conspiracy-theory claims then in circulation.
CIA 9/11 File posting — 100+ FOIA documents, 19 June 2012
The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2012-06-19
In 2012 the National Security Archive posted 100+ CIA documents cited in Commission footnotes, and stated that this was about one-quarter of the CIA material the Commission cited, with KSM interrogation reports still withheld.
Joint Inquiry '28 pages' on possible Saudi links (declassified 2016)
Joint Inquiry into Intelligence Community Activities Before and After 9/11 (including Part Four, declassified 2016) · 2016-07-15
A congressional inquiry recorded possible Saudi-official connections to U.S.-based persons who interacted with hijackers.
Taliban File update: U.S. pressed Taliban to expel UBL over 30 times
The Taliban File (NSAEBB 97) and updates · 2004-01-30
The National Security Archive's Taliban File update states the U.S. pressed the Taliban to expel bin Laden over 30 times, with only three approaches in the first Bush year.
FBI Vault counterterrorism library — HTTP 403 at ingest
FBI Vault — Counterterrorism FOIA library (blocked at ingest) · 2026-09-03
The FBI Vault counterterrorism URLs named by the SHSU guide returned 403 on 3 September 2026; no files were retrieved.
CIA CTC 2003-40044HC — '11 September: The Plot and the Plotters'
The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2003-06-01
A 1 June 2003 CIA CTC report titled 11 September: The Plot and the Plotters exists, is a major Commission source, and includes the analytical claim that the Saudi composition of the teams had political as well as visa-access value.
Independent / media
44Wikipedia sub-articles: WTC demolition theories, advance knowledge, 9/11 truth movement
Wikipedia — 9/11 conspiracy theories (encyclopedia article) · 2026-09-03
Wikipedia's demolition, advance-knowledge, and truth-movement pages repeat named sources already on this board; they did not add a new primary measurement.
Tertiary blog repeating Commission language via a book via a news story
Composite tertiary web commentary (circular-sourcing demonstration) · 2011-09-11
A 2011 web post restates the Bayoumi story without a new primary document.
Wikipedia, 9/11 conspiracy theories — article as finding aid (retrieved 3 Sep 2026)
Wikipedia — 9/11 conspiracy theories (encyclopedia article) · 2026-09-03
On 3 September 2026 the Wikipedia article listed the main 9/11 conspiracy-theory families and pointed at Commission, NIST, State Department, Eagar, and Popular Mechanics as external sources.
Alleged ISI / Mahmoud Ahmad / Saeed Sheikh wire to Atta
Reporting on Lt. Gen. Mahmoud Ahmad, ISI, and alleged Atta funding via Saeed Sheikh · 2001-10-01
Ahmad was in Washington on 9/11; press alleged an ISI-linked transfer to Atta that is not confirmed by a public U.S. primary in this lab.
Complete 9/11 Timeline restored on IC911 (History Commons / Paul Thompson)
Complete 9/11 Timeline (Paul Thompson / History Commons), hosted by IC911 · 2026-09-02
IC911 hosts a restored copy of Paul Thompson's Complete 9/11 Timeline, originally at History Commons, described as cataloguing thousands of mainstream and government records.
MacQueen — 118 Witnesses: Firefighters' testimony to explosions (Journal of 9/11 Studies, Aug 2006)
Journal of 9/11 Studies · 2006-08-01
In 2006 MacQueen published a compilation of 118 firefighter explosion-language statements drawn from FDNY oral histories.
Unresolved contradictions
- CTR-001Bayoumi's intelligence role: Commission 2004 vs FBI 2017
- CTR-002Thumairy assistance: Commission vs FBI 2021
- CTR-0031 February mosque visit: Bayoumi vs Bin Don
- CTR-004Bayoumi first interview vs later account
- CTR-005Chance meeting vs planned meeting
- CTR-006FBI access representation vs later material
- CTR-007WTC7 mechanism: NIST fire vs Hulsey not-fire
- CTR-008WTC dust chips: thermite vs primer paint
- CTR-009Silverstein 'pull it': demolition vs firefighter withdrawal
- CTR-010Able Danger Atta identification
- CTR-011Put options: unusual volume vs no plot-participant profits
- CTR-012Hijacker identities: BBC still-alive vs Commission mistaken-identity
- CTR-013Pentagon: AA77 vs no-Boeing
- CTR-014UA93: passenger revolt vs shoot-down
- CTR-015WTC7 free fall: NIST consistency vs demolition signature
- CTR-016NORAD first story vs NORAD tapes
- CTR-017WTC 7 Stage 1: NIST gradual vs Chandler instantaneous whole-roofline free fall
- CTR-018Commission completeness vs Griffin omissions list
- CTR-019IC911 journal vs IC911 journal on the Pentagon object
- CTR-020CIA withholding: incompetence vs allowed-to-proceed
- CTR-021CIA IG August 2001 praise vs 2004 CIA OIG / Commission on CTC
- CTR-022NTSB public-docket refusal vs NSArchive FOIA release of the same path/ATC files