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2001 al-Qaeda terror attacks
CLASSIFICATION: Terrorism
LOCATION
New York City, New York
TIME PERIOD
September 11, 2001
VICTIMS
2996 confirmed
On September 11, 2001, 19 al-Qaeda operatives hijacked four U.S. airliners and carried out coordinated suicide attacks, striking the World Trade Center in Lower Manhattan and the Pentagon in Arlington County, Virginia, with a fourth plane crashing in rural Pennsylvania during a passenger revolt. The attacks killed 2,996 people (including the 19 hijackers), destroyed the Twin Towers and damaged the Pentagon, and produced enormous civilian and first-responder casualties and long-term health effects from toxic debris. U.S. intelligence quickly attributed the plot to al-Qaeda leadership under Osama bin Laden, prompting the U.S. to launch the global war on terror and later invade Afghanistan; key documentary and forensic evidence (hijackers' documents, flight data, intercepted communications) tied the operatives and planners to al-Qaeda. Many principal plotters were identified, some detained, but full criminal resolution of high-level planners remains unresolved.
Numerous conspiracy theories persist about the attacks, including engineered-collapse and inside-job claims, despite rejection by engineers, investigators, and official reports. There has also been sustained public and legal speculation about whether Saudi individuals or elements of the Saudi government provided support to some hijackers; legal actions and classified-page debates have kept that question prominent in public discourse.
On the morning of 11 September 2001, hijackers turned passenger jets into weapons and brought catastrophe to New York’s World Trade Center, where 2,606 people would perish in the towers.[1][2] In the years that followed, memorial services rose from the rubble, promising to honor those 2,606 dead even as the full story of how the plotters moved, who helped them, and what U.S. officials knew beforehand remained fiercely contested.[2]
At the place where the towers once stood, plans for memorial services focused on the unforgiving number: 2,606 lives lost inside the World Trade Center.[2] The ceremonies were meant to be about remembrance, not geopolitics.
But for hundreds of bereaved families, grief never sat far from a nagging suspicion that powerful institutions—foreign and domestic—were still not telling the whole truth. Newsweek reported that hundreds of families, alongside a growing number of former FBI agents, had come to believe a “conspiracy of silence” persists among high former U.S. and Saudi officials about the attacks.[2]
New York City seen from the International Space Station by NASA Astronaut Frank Culbertson on the 11th day of September in 2001 (50330567757).png
Wikimedia Commons· Public domain
Those suspicions would eventually reach from the corridors of Langley to consulates in Los Angeles, and even into an Afghan hideout where Osama bin Laden tried to explain, and justify, the slaughter.
Weeks after the attacks, journalist Hamid Mir was escorted to an undisclosed location close to Kabul, Afghanistan, where he spent two hours interviewing Osama bin Laden.[1] Parts of that interview appeared in Urdu in the Daily Ausaf and in English in Dawn, a Karachi-based paper.[1] Mir told reporters that more material from the interview would be released in the coming days.[1]
In that conversation, bin Laden framed himself not as a mass-murderer but as a commander in a defensive holy war. He said that after the American bombing of Afghanistan began on 7 October, he had told Al‑Jazeera that the 11 September attacks “had been carried out by some Muslims.”[1] The Americans, he said, had released a list of suspects; he claimed those named were involved, were all Muslims, and were all passengers on the planes.[1]
He added a stark detail: 15 of the suspects on that list, he said, were from Saudi Arabia, two from the United Arab Emirates, and one from Egypt.[1] America, he noted, called them hijackers.[1] He claimed mourning rites—Fateha—had already been held for them in their homes.[1]
© Mapbox © OpenStreetMap
Yet even as he acknowledged that “some Muslims” had carried out the attacks, bin Laden insisted that America did not have “solid proof” against him and possessed only “surmises,” calling it unjust to start bombing on that basis.[1] If the Americans had charges against him, he said, “we too have a charge sheet against them.”[1]
In Mir’s account, bin Laden built a moral scaffolding around 9/11. He said that if an enemy occupies Muslim territory and uses common people as human shields, it is permitted to attack that enemy.[1] Muslims, he argued, had the right to attack America “in reprisal.”[1]
He repeatedly cast his campaign as defensive Jihad—“defending their people and land”—and said that if “we” did not get security, “Americans would not get security either.”[1] He claimed the 11 September attacks were not targeted at women and children, but at America’s “icons of military and economic power.”[1]
FEMA - 3969 - Photograph by Andrea Booher taken on 09-19-2001 in New York.jpg
Wikimedia Commons· Public domain
He invoked religious precedent selectively. Bin Laden said the Prophet Muhammad was against killing women and children and once asked why a dead woman had been killed during a war.[1] In the next breath, he drew a chilling line: if a child was above 13 and “wields a weapon against Muslims,” then, he said, it was permitted to kill him.[1]
To explain why he saw American civilians as fair game, bin Laden argued that U.S. citizens pay taxes, elect their president, and that their government manufactures arms and supplies them to Israel, which he accused of massacring Palestinians.[1] The U.S. Congress, he said, endorses government measures, proving that “the entire America is responsible for atrocities against Muslims.”[1]
He urged the American people to force their government to give up “anti-Muslim policies,” citing the U.S. anti-war movement during Vietnam as an example of public pressure changing policy.[1]
Even within the Muslim world, bin Laden faced criticism. He said the head of Egypt’s Jamia Al‑Azhar had issued a fatwa declaring that his views and beliefs had nothing to do with Islam.[1] He brushed that aside, saying the fatwa of any “official cleric” had no value for him, and accusing some religious scholars of justifying usury, the occupation of Palestine by Jews, and the presence of American troops near Islam’s holy places.[1] The “true” ulema, he claimed, supported jihad against America.[1]
He described Israeli forces as occupying “our land” and American troops as being on “our territory,” saying they had no option but to launch jihad.[1] Afghanistan, he declared, was the only Islamic country; he said Pakistan followed English law and that he did not consider Saudi Arabia an Islamic state.[1]
Bin Laden also alluded to weapons of mass destruction. He said he heard President George W. Bush warn European countries that bin Laden wanted to attack with such weapons.[1] If America used chemical or nuclear arms against them, he said, “they may retort with chemical and nuclear weapons,” claiming, “We have the weapons as deterrent.”[1] When asked where those weapons came from, he reportedly replied, “Go to the next question.”[1]
He presented himself as a man on a divinely mandated mission. He said he and his followers were carrying on the mission of the Prophet Muhammad, whose purpose he described as spreading the word of God, “not to massacre people.”[1] He insisted he had not chosen this life out of personal considerations.[1]
From that hidden Afghan room, bin Laden was offering a justification, not an apology. Far from soothing the rage of grieving families, his words would sharpen the focus on everyone who had failed to stop the men he praised.
While bin Laden framed the attacks as a theological response, a different battle unfolded inside the U.S. security apparatus: a fight over who knew that future hijackers were in America, and why that information never reached the people positioned to act on it.
Richard Clarke had been the White House counterterrorism adviser under Presidents Bill Clinton and George W. Bush.[2] In 2009, authors John Duffy and Ray Nowosielski interviewed him on video while working on their book The Watchdogs Didn’t Bark: The CIA, NSA, and the Crimes of the War on Terror.[2]
In that interview, Clarke said top CIA officials, including director George Tenet, had withheld crucial information from him about Al‑Qaeda’s plotting and movements.[2] He said the withheld material included the arrival in the United States of two men who would later be identified as future hijackers: Khalid al‑Mihdhar and Nawaf al‑Hazmi.[2]
At first, Clarke told the authors, he believed that only “one or two” low-level desk officers at the CIA had known about Hazmi and Mihdhar’s movements.[2] But his view changed. Later, he said, he concluded that about 50 CIA officers knew this information—and that the circle included Tenet and others who spoke directly to him.[2]
An executive summary of the CIA’s internal investigation, released by Senators Ron Wyden and Kit Bond, appeared to support the idea that knowledge was more widely shared than initially acknowledged. It stated that roughly 50 to 60 individuals had read one or more of six agency cables containing travel information related to the terrorists.[2]
FEMA - 5691 - Photograph by Bri Rodriguez taken on 09-27-2001 in New York.jpg
Wikimedia Commons· Public domain
That finding stood in tension with Tenet’s earlier sworn testimony. In 2002, he told Congress that he was not aware of an imminent threat because the key information had come in a cable that wasn’t marked urgent and that “no one read it.”[2]
Clarke and some other insiders went further than accusing the CIA of negligence. They suspected there had been a compartmented plan inside the agency to recruit Hazmi and Mihdhar as double agents—and that the CIA had deliberately kept their presence in the United States from the FBI to avoid the bureau arresting them.[2]
If true, it would recast one of the worst intelligence failures in U.S. history as something closer to a rogue operation gone disastrously wrong.
But Tenet and two of his top counterterrorism deputies, Rich Blee and Cofer Black, forcefully rejected that idea. They issued a statement calling Clarke’s theory “reckless and profoundly wrong.”[2]
Duffy and Nowosielski found that not everyone in law enforcement accepted Tenet’s explanation at face value. They reported that former FBI counterterrorism agents and officials harbored “deep doubts” about his story.[2]
Ali Soufan, one of the FBI’s lead counterterrorism agents, said the CIA had kept him in the dark about the movements of future Al‑Qaeda hijackers.[2] Another FBI agent, Mark Rossini, said agency managers had “mysteriously” blocked him and a colleague from informing FBI headquarters that future Al‑Qaeda plotters were present in the United States in 2000 and again in the summer of 2001.[2]
Even among veterans of the same agency, there was disagreement about where any deliberate withholding might have occurred. Dale Watson, former FBI deputy chief of counterterrorism, told the authors that if there had been a conscious effort not to tell the bureau, it was probably carried out below Tenet, Blee, and Black—by managers in the CIA’s Osama bin Laden unit.[2] Pat D’Amuro, another senior former FBI counterterrorism official, said he believed the withholding went higher than those unit‑level managers.[2]
No consensus has emerged. Between Clarke’s account, the internal CIA summary about who read what, and Tenet’s insistence that no one had truly absorbed the warning, the official narrative of pre‑9/11 intelligence remains fractured.
The question of who helped the hijackers did not stop at Langley. It stretched to Saudi Arabia, home to many of the men bin Laden praised in his interview.
Address to the Nation by President George W. Bush on September 11, 2001.webm
Wikimedia Commons· Public domain
The 9/11 Commission, in its 2004 report, concluded that it had found no evidence that the Saudi government as an institution, or that senior Saudi officials individually, had funded Al‑Qaeda.[2]
Yet a highly redacted CIA inspector general’s report the following year noted that some agency officers had “speculated” that dissident sympathizers within the Saudi government might have supported bin Laden.[2]
Subsequent investigations uncovered more pointed allegations. Newsweek reported that officials from the Saudi kingdom’s Islamic affairs ministry were found to have been actively helping the hijackers get settled in California.[2]
Those claims, combined with the doubts swirling around U.S. intelligence, fueled the belief among many families and some former FBI agents that powerful figures—both American and Saudi—were holding back the full story.[2]
Eventually, several hundred families of 9/11 victims took their suspicions to court. They filed suit against the Saudi government in federal court in New York, seeking unspecified monetary damages related to the attacks.[2]
Their attorney, Andrew Maloney, focused in part on the same two future hijackers whose movements had been the subject of CIA cables: Khalid al‑Mihdhar and Nawaf al‑Hazmi. Maloney said Saudi intelligence had admitted they knew who Hazmi and Mihdhar were when the two men arrived in Los Angeles.[2]
The Saudi kingdom turned over roughly 6,800 pages of documents, mostly in Arabic, to Maloney’s team.[2] He said he planned to return to court in October to press for more records.[2]
Maloney also sought to question Fahad al‑Thumairy, a former Saudi consular official in Los Angeles who had served as imam at a mosque in nearby Culver City attended by the hijackers.[2] In 2003, according to Newsweek, Thumairy was intercepted after landing in Los Angeles on a flight from Germany and deported from the United States “because of suspected terrorist links.”[2]
Saudi officials have long denied that their government played any role in supporting the attackers. Between the 9/11 Commission’s institutional exoneration and later investigative claims that individual Saudi officials facilitated the hijackers’ early days in California, the truth of what Riyadh’s representatives on the ground knew or did remains bitterly contested.[2]
More than two decades on, what happened to the 2,606 people who died in the World Trade Center towers is not in doubt.[2] Their names are spoken at memorials; their faces live in framed photos and fading newsprint.
But around them swirl unresolved questions. How many U.S. intelligence officers truly knew that future hijackers were inside the country, and why didn’t that knowledge reach the agents who might have stopped them?[2] Did Saudi officials in California knowingly help men who were already on the path to mass murder, and if so, at whose direction?[2]
Clarke’s accusation of a hidden CIA recruitment gambit, Tenet’s dismissal of that theory as “reckless and profoundly wrong,” and the open skepticism of former FBI counterterrorism officials have left the public with competing versions of history rather than a single, settled account.[2]
In the background, the record itself is eroding. Some online news pages about the attacks and their aftermath now return only error messages—“404 PAGE NOT FOUND,” or apologies that the link is “either broken or no longer exists.”[3]
Plumes of smoke billow from the World Trade Center towers in Lower Manhattan, New York City, after a Boeing 767 hits each tower during the September 11 attacks.
Wikimedia Commons· CC BY 2.0
For the families who stood at the memorials for the 2,606 dead in the towers, the stakes of those missing pieces are not abstract.[2] Every unanswered question about the people who enabled the hijackers, or about the warnings that went unheeded, sits alongside the names etched in stone—a reminder that even as the world moves on, the full story of 11 September is still being fought over in courtrooms, classified files, and fading memories.
Adapted from Wikipedia: September 11 attacks.
This case file is an original Bloody Likely narrative synthesis based on the cited sources. Article © Bloody Likely. All rights reserved. Source materials remain the property of their respective owners. Facts, public records, quotations, and cited references are used for reporting, research, commentary, and documentation. Bloody Likely content license
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Nineteen al-Qaeda hijackers commandeered four commercial airliners and deliberately crashed them into the World Trade Center, the Pentagon, and a field near
Flight 11 was flown into the North Tower of the World Trade Center, initiating the attacks.
Flight 77 crashed into the west side of the Pentagon, causing extensive damage and fatalities.
Passengers revolted aboard Flight 93; the aircraft crashed in a field in Stonycreek Township near Shanksville, failing to reach its suspected Washington, D.C.
The Federal Aviation Administration ordered a ground stop for all U.S. civilian air traffic, halting flights nationwide.
U.S. and allied forces launched aerial and ground operations against the Taliban and al-Qaeda in response to the attacks.
Cleanup and clearing operations at the World Trade Center site were declared complete.
The National Commission on Terrorist Attacks Upon the United States released its final report detailing failures of imagination, policy, capabilities, and
Osama bin Laden, al-Qaeda leader identified as the plot's sponsor, was killed during a U.S. special operations raid in Abbottabad, Pakistan.