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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
Day of
Engineering
Facilitation
Intelligence & process
Foreknowledge
Independent cluster
Entities
- Omar al-Bayoumi
- Nawaf al-Hazmi
- Fahad al-Thumairy
- Anwar al-Awlaki
- Mohdar Abdullah
- Caysan Bin Don
- Prince Bandar bin Sultan
- Abdussattar Shaikh
- Khalid Sheikh Mohammed
- Osama Bassnan
- Hani Hanjour
- Holly Ratchford
- Thomas Kean
- Mohamed Atta
- Ziad Jarrah
- Larry Silverstein
- Norman Mineta
- Dick Cheney
- Anthony Shaffer
- Kenneth Williams
- Zacarias Moussaoui
- Richard Gage
- Steven E. Jones
- Judy Wood
- Barry Jennings
- Michael Hess
- William Rodriguez
- Jane Standley
- Sivaraj Shyam-Sunder
- John Farmer
- Curt Weldon
- Mahmoud Ahmad
- George W. Bush
- David Ray Griffin
- David Chandler
- Ted Walter
- Tony Szamboti
- Graeme MacQueen
- Kevin R. Ryan
- Piers Robinson
- Natalie Schilling
- Jonathan H. Cole
- Philip Zelikow
- James Gourley
- Lorie Van Auken
- Bob McIlvaine
- Peter Dale Scott
- Paul Zarembka
- Barbara Honegger
- Lance deHaven-Smith
- Kristina Claunch
- Peter Bearman
- Richard A. Clarke
- Michael F. Scheuer
- Michael Horrocks
- Thomas W. Eagar
Matching hypotheses
- H008U.S. agencies possessed actionable pre-attack intelligence on these two operativesScore
- H009Relevant intelligence was withheld from the 9/11 CommissionScore
- H010Bayoumi's assistance was un-tasked hospitality (competing explanation)Score
- H004Additional energetic mechanisms contributed to WTC1 collapseScore
- H006Explosives contributed to WTC7 failureScore
- H011NORAD/FAA response failure was more than accident (exercises, false timeline, or interference)Score
- H012Unusual pre-attack put-option activity reflected advance knowledge of the attacksScore
- H014The Pentagon was not struck by AA77 (missile or other object)Score
- H015Able Danger identified Atta's cell before 9/11 and was blocked from warning the FBIScore
- H016Urban Moving Systems detainees had organisational advance knowledge of the attacksScore
- H017Directed energy, not impact/fire/conventional explosives, destroyed the twin towersScore
- H018WTC 7 was 'pulled' — a controlled demolition was ordered that afternoonScore
- H019Published hijacker identities are substantially wrong (some named men were not aboard)Score
- H020Specific pre-attack warnings (Odigo and similar) show that some non-plot actors knew the morning's targetingScore
- H021The 9/11 Commission was structurally prevented from being a truth-seeking enquiryScore
Matching claims
- partially_supportedCLM-003
Omar al-Bayoumi was a paid cooptee of Saudi GIP reporting via Ambassador Bandar.
- contradictedCLM-004
Bayoumi did not knowingly assist Islamist extremists.
- contradictedCLM-005
Fahad al-Thumairy provided no assistance to the two operatives.
- partially_supportedCLM-006
Thumairy tasked an associate to help two 'very significant people' on arrival.
- 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.
- well_supportedCLM-009
The FBI withheld Bayoumi-related intelligence from the 9/11 Commission.
- verifiedCLM-011
American Airlines Flight 11 struck World Trade Center 1 at 08:46:40 on 11 September 2001.
- disputedCLM-013
Aircraft impact and the ensuing fires initiated the collapses of WTC 1 and WTC 2 without additional energetic devices.
- disputedCLM-016
Explosives or other additional energetic mechanisms contributed to WTC 7's failure.
- disputedCLM-017
Larry Silverstein ordered WTC 7 pulled in the demolition-slang sense.
- contradictedCLM-019
The Pentagon was not struck by AA77.
- disputedCLM-020
Able Danger identified Mohamed Atta's cell before 11 September and was blocked from notifying the FBI.
- indeterminateCLM-021
Unusual pre-attack put-option activity reflected trading by people with advance knowledge of the plot.
- unsupportedCLM-023
The twin towers were destroyed by directed energy, not by impact, fire, or conventional explosives.
- contradictedCLM-025
Some of the named 19 hijackers were not aboard the aircraft / were still alive.
- disputedCLM-030
WTC 7's entire measurable north and west rooflines instantaneously transitioned to free fall, a behaviour NIST's Stage 1 description conceals.
- disputedCLM-031
The 9/11 Commission was not a truth-seeking body; the Report is a 'Zelikow Report' defined by systematic omissions.
- disputedCLM-032
NIST NCSTAR reports on the WTC are false as engineering explanations.
- disputedCLM-033
First-responder explosion-language about the Twin Towers is evidence of demolition charges.
- unverifiedCLM-034
Reported 9/11 aircraft manoeuvres were not flyable manually by the named hijacker-pilots (automation/remote guidance).
- disputedCLM-035
A small CIA Alec Station group intentionally withheld Mihdhar/Hazmi information from the FBI, and the purpose became to allow the attacks.
- disputedCLM-036
The Pentagon attack involved inside-the-building explosives before AA77's official impact.
- 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.
- well_supportedCLM-038
Street-level witnesses in lower Manhattan saw/heard a second aircraft hit the South Tower.
- 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
66FBI: Thumairy tasked an associate; 'two very significant people'
FBI materials released under Executive Order 14040 · 2021-09-11
Declassified FBI reporting asserts Thumairy tasked help and described the pair as very significant before the attacks.
FBI 2017: Commission-era non-confirmation, later confirmation of intel role
FBI materials released under Executive Order 14040 · 2017-06-14
FBI 2017 text asserts the intelligence-role allegation was unconfirmed in 2004 and is now confirmed.
Graeme MacQueen — 156 eyewitnesses describing explosions at the Twin Towers (Toronto Report ch.8)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
MacQueen compiled 156 accounts, mostly FDNY oral histories, in which speakers used explosion/bomb language about the towers; he documents both the original wording and some later retractions.
William Rodriguez: basement explosion in WTC 1 at impact time
New York Fire Department oral histories (released 2005 after lawsuit) · 2001-09-11
A WTC 1 employee in the basement described an explosion-like event at the time of the aircraft impact.
Flight 93: white jet / C-130 and shoot-down rumours
NTSB flight-path studies, Air Traffic Control tapes, and CVR/FDR summaries (AA11, UA175, AA77, UA93) · 2001-09-11
Other aircraft were near UA93 at the end, and wreckage was distributed along a path, not a single postage-stamp hole only.
Barbara Honegger — Evidence of explosives at the Pentagon (Toronto Report ch.13)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Honegger compiles Pentagon witnesses who used bomb/cordite language, cites stopped clocks around 9:31–9:32, and treats the FBI code name PENTTBOM as evidence of a bombing investigation.
Evidence contradicting
16UA93 ACARS 09:23 and 09:28 mayday — NSAEBB 196 quotation
NTSB flight-path studies and ATC transcripts released via NSArchive (NSAEBB 196) · 2001-09-11
NTSB ACARS/ATC text quoted by NSArchive: UA93 received a 09:23 warning about cockpit intrusion and the NY impacts, then at 09:28 transmitted a mayday / 'hey get out of here' as it was hijacked.
Commission: hijacker-still-alive reports were mistaken identity
9/11 Commission Report · 2004-07-22
The Commission treats early 'hijackers alive' stories as identification errors.
ASCE Pentagon building performance: 757-class impact damage
ASCE/SEI Pentagon Building Performance Report (2003) · 2003-01-01
An engineering team mapped interior damage consistent with a large-aircraft mass trajectory through the Pentagon.
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.
Commission: AA77 struck the Pentagon at 09:37:46
9/11 Commission Report · 2004-07-22
The Commission states AA77 struck the Pentagon at 09:37:46.
Ambiguous
81Bayoumi video of the U.S. Capitol and other sites
FBI materials released under Executive Order 14040 · 2022-03-01
Video associated with Bayoumi includes Washington, D.C. landmarks.
FBI 2017: Bayoumi reporting channel through Bandar to GIP
FBI materials released under Executive Order 14040 · 2017-06-14
FBI analysis describes Bayoumi as a community collector reporting via the ambassador.
FBI analytical statement: 50/50 chance Bayoumi had advance knowledge
FBI materials released under Executive Order 14040 · 2017-06-14
An FBI analytical product assigned even odds to Bayoumi's advance knowledge of the attacks.
Kevin R. Ryan — Why the NIST World Trade Center Reports are False (Toronto Report ch.3)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Ryan cites NIST test and model figures (steel temperatures, sag, expansion, fire duration) and states they do not support the published collapse sequences; he notes NIST did not release its global models for independent runs.
Michael Ragsdale flyer collection — street paper, 11 Sep 2001–15 Sep 2002
September 11 Digital Archive (RRCHNM / ASHP) · 2001-09-12
A near-daily street collection of ~1,000 NYC flyers exists for the year after 11 September, including 11 September hospital/command-centre notices and early CIA/FBI-trust and anti-war posters.
NTSB path studies and ATC transcripts FOIA'd by NSArchive (Aug 2006)
NTSB flight-path studies and ATC transcripts released via NSArchive (NSAEBB 196) · 2006-08-11
In August 2006 NTSB released to the National Security Archive the four-flight ATC transcripts, three path studies, and the UA93 DFDR specialist report, after refusing to open its own public docket.
Contemporary reports
76William Rodriguez: basement explosion in WTC 1 at impact time
New York Fire Department oral histories (released 2005 after lawsuit) · 2001-09-11
A WTC 1 employee in the basement described an explosion-like event at the time of the aircraft impact.
Flight 93: white jet / C-130 and shoot-down rumours
NTSB flight-path studies, Air Traffic Control tapes, and CVR/FDR summaries (AA11, UA175, AA77, UA93) · 2001-09-11
Other aircraft were near UA93 at the end, and wreckage was distributed along a path, not a single postage-stamp hole only.
Michael Ragsdale flyer collection — street paper, 11 Sep 2001–15 Sep 2002
September 11 Digital Archive (RRCHNM / ASHP) · 2001-09-12
A near-daily street collection of ~1,000 NYC flyers exists for the year after 11 September, including 11 September hospital/command-centre notices and early CIA/FBI-trust and anti-war posters.
BBC 23 September 2001: some named hijackers reported still alive
BBC News, 23 September 2001 — reports that some named hijackers were still alive · 2001-09-23
Reputable outlets reported in September 2001 that some named hijackers were alive.
UA93 ACARS 09:23 and 09:28 mayday — NSAEBB 196 quotation
NTSB flight-path studies and ATC transcripts released via NSArchive (NSAEBB 196) · 2001-09-11
NTSB ACARS/ATC text quoted by NSArchive: UA93 received a 09:23 warning about cockpit intrusion and the NY impacts, then at 09:28 transmitted a mayday / 'hey get out of here' as it was hijacked.
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.
Later recollections / analysis
87FBI: Thumairy tasked an associate; 'two very significant people'
FBI materials released under Executive Order 14040 · 2021-09-11
Declassified FBI reporting asserts Thumairy tasked help and described the pair as very significant before the attacks.
Bayoumi video of the U.S. Capitol and other sites
FBI materials released under Executive Order 14040 · 2022-03-01
Video associated with Bayoumi includes Washington, D.C. landmarks.
FBI 2017: Commission-era non-confirmation, later confirmation of intel role
FBI materials released under Executive Order 14040 · 2017-06-14
FBI 2017 text asserts the intelligence-role allegation was unconfirmed in 2004 and is now confirmed.
FBI 2017: Bayoumi reporting channel through Bandar to GIP
FBI materials released under Executive Order 14040 · 2017-06-14
FBI analysis describes Bayoumi as a community collector reporting via the ambassador.
FBI analytical statement: 50/50 chance Bayoumi had advance knowledge
FBI materials released under Executive Order 14040 · 2017-06-14
An FBI analytical product assigned even odds to Bayoumi's advance knowledge of the attacks.
Graeme MacQueen — 156 eyewitnesses describing explosions at the Twin Towers (Toronto Report ch.8)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
MacQueen compiled 156 accounts, mostly FDNY oral histories, in which speakers used explosion/bomb language about the towers; he documents both the original wording and some later retractions.
Official documents
80FBI: Thumairy tasked an associate; 'two very significant people'
FBI materials released under Executive Order 14040 · 2021-09-11
Declassified FBI reporting asserts Thumairy tasked help and described the pair as very significant before the attacks.
Bayoumi video of the U.S. Capitol and other sites
FBI materials released under Executive Order 14040 · 2022-03-01
Video associated with Bayoumi includes Washington, D.C. landmarks.
FBI 2017: Commission-era non-confirmation, later confirmation of intel role
FBI materials released under Executive Order 14040 · 2017-06-14
FBI 2017 text asserts the intelligence-role allegation was unconfirmed in 2004 and is now confirmed.
FBI 2017: Bayoumi reporting channel through Bandar to GIP
FBI materials released under Executive Order 14040 · 2017-06-14
FBI analysis describes Bayoumi as a community collector reporting via the ambassador.
FBI analytical statement: 50/50 chance Bayoumi had advance knowledge
FBI materials released under Executive Order 14040 · 2017-06-14
An FBI analytical product assigned even odds to Bayoumi's advance knowledge of the attacks.
William Rodriguez: basement explosion in WTC 1 at impact time
New York Fire Department oral histories (released 2005 after lawsuit) · 2001-09-11
A WTC 1 employee in the basement described an explosion-like event at the time of the aircraft impact.
Independent / media
56Graeme MacQueen — 156 eyewitnesses describing explosions at the Twin Towers (Toronto Report ch.8)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
MacQueen compiled 156 accounts, mostly FDNY oral histories, in which speakers used explosion/bomb language about the towers; he documents both the original wording and some later retractions.
Kevin R. Ryan — Why the NIST World Trade Center Reports are False (Toronto Report ch.3)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Ryan cites NIST test and model figures (steel temperatures, sag, expansion, fire duration) and states they do not support the published collapse sequences; he notes NIST did not release its global models for independent runs.
Barbara Honegger — Evidence of explosives at the Pentagon (Toronto Report ch.13)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Honegger compiles Pentagon witnesses who used bomb/cordite language, cites stopped clocks around 9:31–9:32, and treats the FBI code name PENTTBOM as evidence of a bombing investigation.
2011 Toronto Hearings and 2012 Toronto Report — catalogue
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
A 2011 academic/legal hearing produced an 18-chapter 2012 report arguing the official account is false. Eleven chapters are objects in this lab; seven are title-catalogued.
BBC 23 September 2001: some named hijackers reported still alive
BBC News, 23 September 2001 — reports that some named hijackers were still alive · 2001-09-23
Reputable outlets reported in September 2001 that some named hijackers were alive.
Peter Dale Scott — 9/11 as a deep event: CIA personnel helped allow it (Toronto Report ch.5)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Scott's 2012 chapter restates a documented CIA-to-FBI withholding pattern around Mihdhar and Hazmi (Malaysia 2000, visa, watchlisting) attributed to a small Alec Station group, and adds a Saudi-GID liaison hypothesis plus an 'allowed to proceed' inference.
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-006FBI access representation vs later material
- 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-015WTC7 free fall: NIST consistency vs demolition signature
- 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-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