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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
Matching hypotheses
Matching claims
- well_supportedCLM-009
The FBI withheld Bayoumi-related intelligence from the 9/11 Commission.
- disputedCLM-017
Larry Silverstein ordered WTC 7 pulled in the demolition-slang sense.
- disputedCLM-020
Able Danger identified Mohamed Atta's cell before 11 September and was blocked from notifying the FBI.
- disputedCLM-035
A small CIA Alec Station group intentionally withheld Mihdhar/Hazmi information from the FBI, and the purpose became to allow the attacks.
- 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
31FBI: 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.
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.
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.
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.
Evidence contradicting
3NIST / critics: red/gray chips consistent with primer paint, not thermite
NIST WTC investigation FAQs (towers and WTC 7) · 2019-11-20
NIST and subsequent paint-chemistry arguments attribute the red chips to known coatings rather than explosives.
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.
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.
Ambiguous
20FBI 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.
FBI 2017: Bayoumi paid as GIP cooptee via Ambassador Bandar
FBI materials released under Executive Order 14040 · 2017-06-14
An official FBI analytical document asserts Bayoumi was a paid GIP cooptee through Bandar, 1998–2001.
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.
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.
1 February 2000 restaurant encounter — chance or design unknown
9/11 Commission Report · 2004-07-22
A lunch on 1 February 2000 involving Bayoumi, Hazmi, and Mihdhar is documented because Bayoumi reported it.
Bin Don vs Bayoumi on whether they visited King Fahd Mosque on 1 February
9/11 Commission Report · 2004-07-22
Bayoumi and Bin Don gave inconsistent accounts of a mosque visit on the day of the restaurant meeting.
Contemporary reports
251 February 2000 restaurant encounter — chance or design unknown
9/11 Commission Report · 2004-07-22
A lunch on 1 February 2000 involving Bayoumi, Hazmi, and Mihdhar is documented because Bayoumi reported it.
Bin Don vs Bayoumi on whether they visited King Fahd Mosque on 1 February
9/11 Commission Report · 2004-07-22
Bayoumi and Bin Don gave inconsistent accounts of a mosque visit on the day of the restaurant meeting.
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.
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.
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.
Later recollections / analysis
29FBI 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.
FBI: 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: Bayoumi paid as GIP cooptee via Ambassador Bandar
FBI materials released under Executive Order 14040 · 2017-06-14
An official FBI analytical document asserts Bayoumi was a paid GIP cooptee through Bandar, 1998–2001.
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.
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.
Official documents
36FBI 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.
FBI: 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: Bayoumi paid as GIP cooptee via Ambassador Bandar
FBI materials released under Executive Order 14040 · 2017-06-14
An official FBI analytical document asserts Bayoumi was a paid GIP cooptee through Bandar, 1998–2001.
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.
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.
Independent / media
142024 reporting: Bayoumi misstated the timing of the Los Angeles trip
ProPublica / New York Times reporting on declassified FBI files (2023–2024) · 2024-08-09
Investigative journalists, citing civil-case evidence, report that Bayoumi's trip timing was false and the meeting appears planned.
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.
David Ray Griffin — Anomalies in the 9/11 Commission Report (Toronto Report ch.2)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Griffin's 2012 chapter lists Commission process constraints (Zelikow, funding, access) and twelve claimed omissions, with footnotes to named books, newspapers, and the Report itself.
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.
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.
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.
Unresolved contradictions
- CTR-001Bayoumi's intelligence role: Commission 2004 vs FBI 2017
- CTR-002Thumairy assistance: Commission vs FBI 2021
- CTR-006FBI access representation vs later material