EFI·Evidence Fusion Initiative

Universal search

Search the sources

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.

Score this

Topic remit

Day of

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
  • 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
  • H013UA93 was shot down rather than crashed solely by a passenger revoltScore
  • 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
  • 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

  • disputedCLM-002

    The 1 February 2000 restaurant meeting was a chance encounter.

  • contradictedCLM-005

    Fahad al-Thumairy provided no assistance to the two operatives.

  • 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-013

    Aircraft impact and the ensuing fires initiated the collapses of WTC 1 and WTC 2 without additional energetic devices.

  • disputedCLM-014

    Unreacted thermitic material was present in WTC dust.

  • 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.

  • disputedCLM-018

    UA93 was shot down by U.S. military rather than crashed by a passenger counterattack.

  • 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.

  • unverifiedCLM-022

    The five Urban Moving Systems detainees had advance knowledge of the attacks as an Israeli intelligence team.

  • 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.

  • partially_supportedCLM-026

    NORAD/FAA war-games and false timelines indicate the air-defence failure was more than accident.

  • 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.

  • well_supportedCLM-039

    CIA senior products in summer 2001 described Bin Ladin attacks as imminent, including a strike in the US, without time/place/target.

  • verifiedCLM-040

    NTSB produced flight-path studies and ATC transcripts for the four hijacked flights and initially refused a public docket.

  • 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

66
EVD-133government report

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.

Quality 4.00 / 5components retained
Prov4
Auth5
Ind3
Contemp5
Corr4
Spec4
Comp3
Chain4
EVD-134media report

Vanity Fair 2006: NORAD tapes vs earlier public NORAD timeline

Michael Bronner, '9/11 Live: The NORAD Tapes,' Vanity Fair (August 2006) · 2006-08-01

Published tape reconstruction shows NORAD's early public timeline was inconsistent with its own audio.

Quality 2.75 / 5components retained
Prov2
Auth4
Ind3
Contemp1
Corr4
Spec4
Comp2
Chain2
EVD-216academic paper

Kevin Ryan — Lies and Obstruction: Indefensible Air Defenses on 9/11 (8 Sep 2024)

International Center for 9/11 Justice · 2024-09-08

Ryan presented a 2024 talk arguing 9/11 air defences were 'indefensible' in a stronger sense than fog-of-war.

Quality 1.88 / 5components retained
Prov2
Auth3
Ind3
Contemp0
Corr1
Spec3
Comp2
Chain1
EVD-104government report

Commission / NORAD tapes: delayed notification and a phantom AA11

9/11 Commission Report · 2004-07-22

Military notification lagged FAA awareness; a phantom AA11 was injected into the response.

Quality 4.13 / 5components retained
Prov5
Auth5
Ind2
Contemp3
Corr5
Spec5
Comp4
Chain4
EVD-231academic paper

David Ray Griffin — Anomalies in official accounts of AA77 and UA93 (Toronto Report ch.7)

The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11

Griffin's 2012 chapter lists named process contradictions on AA77 notification and UA93 notification, plus Pentagon-object and UA93-shoot-down arguments with named witnesses and an FAA memo.

Quality 3.13 / 5components retained
Prov4
Auth4
Ind3
Contemp1
Corr2
Spec4
Comp4
Chain3
EVD-135government report

John Farmer: NORAD and some FAA accounts of 11 September were not true

John Farmer / 9/11 Commission staff statements on NORAD and FAA accounts · 2004-07-22

Commission senior counsel stated that NORAD's (and some FAA) accounts were not true.

Quality 3.88 / 5components retained
Prov5
Auth5
Ind3
Contemp3
Corr4
Spec3
Comp4
Chain4

Evidence contradicting

16
EVD-140government report

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.

Quality 3.88 / 5components retained
Prov5
Auth5
Ind2
Contemp3
Corr4
Spec4
Comp4
Chain4
EVD-223academic paper

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.

Quality 2.88 / 5components retained
Prov3
Auth4
Ind4
Contemp1
Corr2
Spec4
Comp3
Chain2
EVD-131government report

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.

Quality 3.38 / 5components retained
Prov5
Auth5
Ind2
Contemp1
Corr2
Spec4
Comp4
Chain4
EVD-222academic paper

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.

Quality 2.88 / 5components retained
Prov3
Auth4
Ind4
Contemp1
Corr2
Spec4
Comp3
Chain2
EVD-116flight record

NTSB flight-path study: AA77 from Dulles to the Pentagon

NTSB flight-path studies, Air Traffic Control tapes, and CVR/FDR summaries (AA11, UA175, AA77, UA93) · 2002-02-19

NTSB reconstructed a continuous radar/path track of AA77 from takeoff to the Pentagon.

Quality 4.50 / 5components retained
Prov5
Auth5
Ind3
Contemp4
Corr5
Spec5
Comp4
Chain5
EVD-004government report

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.

Quality 3.88 / 5components retained
Prov5
Auth5
Ind2
Contemp3
Corr4
Spec4
Comp4
Chain4

Ambiguous

81
EVD-404government report

U.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.

Quality 3.00 / 5components retained
Prov5
Auth5
Ind1
Contemp1
Corr3
Spec3
Comp2
Chain4
EVD-403news article

Popular Mechanics 2005/2006: magazine investigation rejecting demolition, Pentagon-missile, and UA93 shoot-down claims

Popular Mechanics — 9/11: Debunking the Myths (March 2005) and Debunking 9/11 Myths (Hearst, 2006) · 2005-03-01

In 2005–2006 Popular Mechanics published a magazine investigation and a book arguing that the main demolition, missile, and shoot-down claims do not stand up to wreckage and engineering testimony.

Quality 3.13 / 5components retained
Prov4
Auth4
Ind3
Contemp2
Corr3
Spec3
Comp3
Chain3
EVD-400web archive

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.

Quality 2.50 / 5components retained
Prov3
Auth4
Ind3
Contemp0
Corr2
Spec3
Comp3
Chain2
EVD-333government report

CIA IG August 2001: CTC practices reviewed positively — vs later OIG/Commission

The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2001-08-01

NSArchive records that a CIA Inspector General review completed in August 2001 praised CTC information-management and FBI cooperation, in contrast to the 2004 CIA OIG and the Commission.

Quality 4.13 / 5components retained
Prov5
Auth5
Ind3
Contemp4
Corr4
Spec5
Comp3
Chain4
EVD-401document

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.

Quality 2.25 / 5components retained
Prov3
Auth4
Ind3
Contemp0
Corr1
Spec3
Comp2
Chain2
EVD-314web archive

September 11th Sourcebooks index (NSArchive volumes I–VII and updates)

National Security Archive — September 11th Sourcebooks · 2026-09-03

The National Security Archive organised a September 11th Sourcebook series of at least seven volumes plus later FOIA postings on Clarke, FAA, and NTSB transcripts.

Quality 3.63 / 5components retained
Prov5
Auth5
Ind3
Contemp1
Corr3
Spec4
Comp4
Chain4

Contemporary reports

76
EVD-104government report

Commission / NORAD tapes: delayed notification and a phantom AA11

9/11 Commission Report · 2004-07-22

Military notification lagged FAA awareness; a phantom AA11 was injected into the response.

Quality 4.13 / 5components retained
Prov5
Auth5
Ind2
Contemp3
Corr5
Spec5
Comp4
Chain4
EVD-135government report

John Farmer: NORAD and some FAA accounts of 11 September were not true

John Farmer / 9/11 Commission staff statements on NORAD and FAA accounts · 2004-07-22

Commission senior counsel stated that NORAD's (and some FAA) accounts were not true.

Quality 3.88 / 5components retained
Prov5
Auth5
Ind3
Contemp3
Corr4
Spec3
Comp4
Chain4
EVD-333government report

CIA IG August 2001: CTC practices reviewed positively — vs later OIG/Commission

The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2001-08-01

NSArchive records that a CIA Inspector General review completed in August 2001 praised CTC information-management and FBI cooperation, in contrast to the 2004 CIA OIG and the Commission.

Quality 4.13 / 5components retained
Prov5
Auth5
Ind3
Contemp4
Corr4
Spec5
Comp3
Chain4
EVD-320intelligence cable

CIA SEIBs June–August 2001: Bin Ladin attacks 'imminent' / 'in the US'

The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2001-08-07

CIA senior briefs from June–August 2001 repeatedly warned of imminent Bin Ladin operations, including a 7 August SEIB titled 'Bin Ladin Determined to Strike in the US', and a 24 August note that an associated individual was considering U.S. operations without timing or targets.

Quality 4.13 / 5components retained
Prov5
Auth5
Ind3
Contemp4
Corr4
Spec5
Comp3
Chain4
EVD-319email

CIA email 21 August 2001: 'Re: Khalid Al-Mihdhar'

The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2001-08-21

A CIA email dated 21 August 2001 is titled Re: Khalid Al-Mihdhar and is a Commission Chapter 8 citation.

Quality 4.13 / 5components retained
Prov5
Auth5
Ind3
Contemp4
Corr4
Spec5
Comp3
Chain4
EVD-015intelligence cable

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.

Quality 4.25 / 5components retained
Prov5
Auth5
Ind3
Contemp3
Corr5
Spec5
Comp4
Chain4

Later recollections / analysis

87
EVD-133government report

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.

Quality 4.00 / 5components retained
Prov4
Auth5
Ind3
Contemp5
Corr4
Spec4
Comp3
Chain4
EVD-134media report

Vanity Fair 2006: NORAD tapes vs earlier public NORAD timeline

Michael Bronner, '9/11 Live: The NORAD Tapes,' Vanity Fair (August 2006) · 2006-08-01

Published tape reconstruction shows NORAD's early public timeline was inconsistent with its own audio.

Quality 2.75 / 5components retained
Prov2
Auth4
Ind3
Contemp1
Corr4
Spec4
Comp2
Chain2
EVD-216academic paper

Kevin Ryan — Lies and Obstruction: Indefensible Air Defenses on 9/11 (8 Sep 2024)

International Center for 9/11 Justice · 2024-09-08

Ryan presented a 2024 talk arguing 9/11 air defences were 'indefensible' in a stronger sense than fog-of-war.

Quality 1.88 / 5components retained
Prov2
Auth3
Ind3
Contemp0
Corr1
Spec3
Comp2
Chain1
EVD-231academic paper

David Ray Griffin — Anomalies in official accounts of AA77 and UA93 (Toronto Report ch.7)

The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11

Griffin's 2012 chapter lists named process contradictions on AA77 notification and UA93 notification, plus Pentagon-object and UA93-shoot-down arguments with named witnesses and an FAA memo.

Quality 3.13 / 5components retained
Prov4
Auth4
Ind3
Contemp1
Corr2
Spec4
Comp4
Chain3
EVD-404government report

U.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.

Quality 3.00 / 5components retained
Prov5
Auth5
Ind1
Contemp1
Corr3
Spec3
Comp2
Chain4
EVD-403news article

Popular Mechanics 2005/2006: magazine investigation rejecting demolition, Pentagon-missile, and UA93 shoot-down claims

Popular Mechanics — 9/11: Debunking the Myths (March 2005) and Debunking 9/11 Myths (Hearst, 2006) · 2005-03-01

In 2005–2006 Popular Mechanics published a magazine investigation and a book arguing that the main demolition, missile, and shoot-down claims do not stand up to wreckage and engineering testimony.

Quality 3.13 / 5components retained
Prov4
Auth4
Ind3
Contemp2
Corr3
Spec3
Comp3
Chain3

Official documents

80
EVD-133government report

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.

Quality 4.00 / 5components retained
Prov4
Auth5
Ind3
Contemp5
Corr4
Spec4
Comp3
Chain4
EVD-104government report

Commission / NORAD tapes: delayed notification and a phantom AA11

9/11 Commission Report · 2004-07-22

Military notification lagged FAA awareness; a phantom AA11 was injected into the response.

Quality 4.13 / 5components retained
Prov5
Auth5
Ind2
Contemp3
Corr5
Spec5
Comp4
Chain4
EVD-404government report

U.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.

Quality 3.00 / 5components retained
Prov5
Auth5
Ind1
Contemp1
Corr3
Spec3
Comp2
Chain4
EVD-135government report

John Farmer: NORAD and some FAA accounts of 11 September were not true

John Farmer / 9/11 Commission staff statements on NORAD and FAA accounts · 2004-07-22

Commission senior counsel stated that NORAD's (and some FAA) accounts were not true.

Quality 3.88 / 5components retained
Prov5
Auth5
Ind3
Contemp3
Corr4
Spec3
Comp4
Chain4
EVD-333government report

CIA IG August 2001: CTC practices reviewed positively — vs later OIG/Commission

The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2001-08-01

NSArchive records that a CIA Inspector General review completed in August 2001 praised CTC information-management and FBI cooperation, in contrast to the 2004 CIA OIG and the Commission.

Quality 4.13 / 5components retained
Prov5
Auth5
Ind3
Contemp4
Corr4
Spec5
Comp3
Chain4
EVD-320intelligence cable

CIA SEIBs June–August 2001: Bin Ladin attacks 'imminent' / 'in the US'

The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2001-08-07

CIA senior briefs from June–August 2001 repeatedly warned of imminent Bin Ladin operations, including a 7 August SEIB titled 'Bin Ladin Determined to Strike in the US', and a 24 August note that an associated individual was considering U.S. operations without timing or targets.

Quality 4.13 / 5components retained
Prov5
Auth5
Ind3
Contemp4
Corr4
Spec5
Comp3
Chain4

Independent / media

56
EVD-133government report

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.

Quality 4.00 / 5components retained
Prov4
Auth5
Ind3
Contemp5
Corr4
Spec4
Comp3
Chain4
EVD-134media report

Vanity Fair 2006: NORAD tapes vs earlier public NORAD timeline

Michael Bronner, '9/11 Live: The NORAD Tapes,' Vanity Fair (August 2006) · 2006-08-01

Published tape reconstruction shows NORAD's early public timeline was inconsistent with its own audio.

Quality 2.75 / 5components retained
Prov2
Auth4
Ind3
Contemp1
Corr4
Spec4
Comp2
Chain2
EVD-216academic paper

Kevin Ryan — Lies and Obstruction: Indefensible Air Defenses on 9/11 (8 Sep 2024)

International Center for 9/11 Justice · 2024-09-08

Ryan presented a 2024 talk arguing 9/11 air defences were 'indefensible' in a stronger sense than fog-of-war.

Quality 1.88 / 5components retained
Prov2
Auth3
Ind3
Contemp0
Corr1
Spec3
Comp2
Chain1
EVD-231academic paper

David Ray Griffin — Anomalies in official accounts of AA77 and UA93 (Toronto Report ch.7)

The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11

Griffin's 2012 chapter lists named process contradictions on AA77 notification and UA93 notification, plus Pentagon-object and UA93-shoot-down arguments with named witnesses and an FAA memo.

Quality 3.13 / 5components retained
Prov4
Auth4
Ind3
Contemp1
Corr2
Spec4
Comp4
Chain3
EVD-403news article

Popular Mechanics 2005/2006: magazine investigation rejecting demolition, Pentagon-missile, and UA93 shoot-down claims

Popular Mechanics — 9/11: Debunking the Myths (March 2005) and Debunking 9/11 Myths (Hearst, 2006) · 2005-03-01

In 2005–2006 Popular Mechanics published a magazine investigation and a book arguing that the main demolition, missile, and shoot-down claims do not stand up to wreckage and engineering testimony.

Quality 3.13 / 5components retained
Prov4
Auth4
Ind3
Contemp2
Corr3
Spec3
Comp3
Chain3
EVD-400web archive

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.

Quality 2.50 / 5components retained
Prov3
Auth4
Ind3
Contemp0
Corr2
Spec3
Comp3
Chain2

Unresolved contradictions

  • CTR-008WTC dust chips: thermite vs primer paint
  • CTR-012Hijacker identities: BBC still-alive vs Commission mistaken-identity
  • CTR-016NORAD first story vs NORAD tapes
  • 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

Developed by British researcher Moneypenny

@nic_moneypenny · Subscribe on X from $2 a month for other investigations, and to support this work.

Built with Grok by xAI. EFI / 911 is an independent research project. Neither Moneypenny nor xAI, X, or Grok accepts any liability for errors, omissions, or inaccuracies. Scores are not court or government findings. Privacy and terms.