The plot

Bin Laden and al Qaeda

Who they were, what they wanted, and the attacks that came before

RECORD / AT A GLANCE

Documented

Al Qaeda’s responsibility rests on its leaders’ own statements, the testimony of captured planners, money and travel records, and the evidence gathered from the flights. Bin Laden denied involvement in September 2001 and then repeatedly said he ordered it.

THE EVENTS / THE INVESTIGATION / THE STORY

The chronology.

READ THE FILE

Evidence & assessment.

Open an article for its evidence, labeled AI assessment and numbered sources. Read the complete static edition ↗

WHAT PEOPLE SAY ABOUT THIS FILE

The claims, rated.

5 claims people make about this file, each rated documented, partly true, disputed, unproven or false. Think a rating is wrong? Use Dispute or Support, or join the Discussion.

DOCUMENTED Al Qaeda, the plot & the hijackers

“Osama bin Laden ordered the attacks.”

He denied it in September 2001, then said repeatedly that he decided on it, and captured planners described him approving the plot and choosing the hijackers.

Who says it: The 9/11 Commission, bin Laden himself.

The evidence in this file ↗ · On the full claims board ↗

DOCUMENTED Al Qaeda, the plot & the hijackers

“Bin Laden denied carrying out 9/11.”

True for September 2001: a statement through Al Jazeera denied it. He later claimed it repeatedly.

Who says it: People who doubt the official account.

The evidence in this file ↗ · On the full claims board ↗

DOCUMENTED Al Qaeda, the plot & the hijackers

“Al Qaeda declared it a duty to kill American civilians.”

The February 1998 statement said killing “the Americans and their allies — civilians and military” was an individual duty for every Muslim.

Who says it: Bin Laden, al-Zawahiri and co-signers.

The evidence in this file ↗ · On the full claims board ↗

UNPROVEN Al Qaeda, the plot & the hijackers

“The December 2001 bin Laden “confession” tape was faked.”

Skeptics point to his appearance and the rough translation. No independent analysis has shown it is fake, and the case no longer rests on it.

Who says it: Skeptics.

The evidence in this file ↗ · On the full claims board ↗

All 162 rated claims ↗

OPEN THE RECORD

Sources & limits.

Numbered citations in each article identify the relevant sources. These records have different purposes and evidentiary weight.

  1. 9/11 Commission Report, chapter 2: The Foundation of the New Terrorism ↗

    Bin Laden’s background, his 1996 and 1998 declarations, his years in Sudan and Afghanistan, and the finding of no “collaborative operational relationship” with Iraq.

  2. 9/11 Commission Report, chapter 4: Responses to al Qaeda’s Initial Assaults ↗

    The 1998 embassy bombings, the cruise-missile strikes, the plans to capture bin Laden, and the Sudanese claim of an offer to hand him over, for which the Commission found “no credible evidence.”

  3. FBI history: Osama bin Laden ↗

    The Bureau’s summary of bin Laden’s indictments and the Ten Most Wanted listing.

  4. Federation of American Scientists: World Islamic Front statement, 23 February 1998 ↗

    The fatwa calling it a duty to kill Americans, civilian and military.

  5. Al Jazeera, 1 November 2004: full transcript of bin Laden’s speech ↗

    Bin Laden says he decided to strike the towers and explains why.

  6. CNN, 17 September 2001: Bin Laden says he wasn’t behind attacks ↗

    His first public denial, carried by Al Jazeera. Blocks scripted fetches; confirmed by reader fetch.

  7. State Department Washington File, 13 December 2001: transcript of the videotape of Usama bin Laden discussing the September 11 attacks (usinfo.org archive mirror) ↗

    The Jalalabad tape released by the Pentagon, in which bin Laden says the destruction exceeded his estimates; the translators say the transcript is not verbatim.

  8. 9/11 Commission Report, chapter 5: Al Qaeda Aims at the American Homeland ↗

    KSM’s planes operation, the selection of the hijackers, financing, and the finding of no evidence that the Saudi government as an institution or senior officials individually funded al Qaeda.

  9. FBI history: World Trade Center bombing 1993 ↗

    The first attack on the towers, by Ramzi Yousef, KSM’s nephew.

  10. 9/11 Commission Report, chapter 3: Counterterrorism Evolves ↗

    How the FBI, CIA, FAA and White House were organized against terrorism before 2001, and the “wall” between intelligence and criminal work.

  11. 9/11 Commission Report, chapter 6: From Threat to Threat ↗

    The millennium plots, the USS Cole, the early Bush administration’s policy review, and Richard Clarke’s warnings.

  12. Obama White House, 2 May 2011: remarks on the death of Osama bin Laden ↗

    The announcement of the raid.

  13. Biden White House, 1 August 2022: remarks on a successful counterterrorism operation in Afghanistan ↗

    The strike that killed Ayman al-Zawahiri in Kabul.

← The 9/11 hub: the story, the full timeline and every file

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