1996-2001: Federal authorities are aware for years before 9/11 that suspected terrorists with ties to Osama bin Laden are receiving flight training at schools in the US and abroad. One convicted terrorist confesses that his planned role in a terror attack was to crash a plane into CIA headquarters. [Washington Post, 9/23/01, CBS, 5/30/02, more]

1996-2001: On multiple occasions spies give detailed reports on bin Laden's location. Each time, the CIA director or White House officials prevent bin Laden's elimination. [Los Angeles Times, 12/5/04, New York Times, 12/30/01, more]

2000-2001: 15 of the 19 hijackers fail to fill in visa documents properly in Saudi Arabia. Only six are interviewed. All 15 should have been denied entry to the US. [Washington Post, 10/22/02, ABC, 10/23/02] Two top Republican senators say if State Department personnel had merely followed the law, 9/11 would not have happened. [AP, 12/18/02, more]

2000-2001: The military conducts exercises simulating hijacked airliners used as weapons to crash into targets causing mass casualties. One target is the World Trade Center (WTC), another the Pentagon. Yet after 9/11, over and over the White House and security officials say they're shocked that terrorists hijacked airliners and crashed them into landmark buildings. [USA Today, 4/19/04, Military District of Washington, 11/3/00, New York Times, 10/3/01, more]

Jan 2001: After the November 2000 elections, US intelligence agencies are told to "back off" investigating the bin Ladens and Saudi royals. There have always been constraints on investigating Saudi Arabians. [BBC, 11/6/01, more]

Spring 2001: A series of military and governmental policy documents is released that seek to legitimize the use of US military force in the pursuit of oil and gas. One advocates presidential subterfuge and hiding the reasons for warfare "as a necessity for mobilizing public support." [Sydney Morning Herald, 12/26/02, more]

May 2001: For the third time, US security chiefs reject Sudan's offer of thick files on bin Laden and al-Qaeda. A senior CIA source calls it "the worst single intelligence failure in the business." [Guardian, 9/30/01, more]

June-Aug 2001: German intelligence warns the CIA that Middle Eastern terrorists are training for hijackings and targeting American interests. Russian President Vladimir Putin alerts the US of suicide pilots training for attacks on US targets. In late July, a Taliban emissary warns the US that bin Laden is planning a huge attack on American soil. In August, Israel warns of an imminent Al Qaeda attack. [Fox News, 5/17/02, Independent, 9/7/02, CNN, 9/12/02, more]

July 4-14, 2001: Bin Laden reportedly receives kidney treatment from Canadian-trained Dr. Callaway at the American Hospital in Dubai. Dr. Callaway declines to comment. During his stay, bin Laden is allegedly visited by one or two CIA agents. [Guardian, 11/1/01, Sydney Morning Herald, 10/31/01, Times of London, 11/1/01, UPI, 11/1/01, more]

July 26, 2001: Attorney General Ashcroft stops flying commercial airlines due to a threat assessment. [CBS, 7/26/01] In May 2002, Ashcroft walks out of his office rather than answer questions about it. [Fox News/AP, 5/16/02, more]

Aug 6, 2001: President Bush receives an intelligence briefing warning that bin Laden might be planning to hijack airliners. Titled "Bin Ladin Determined To Strike in US," the briefing specifically mentions the WTC. Yet Bush later claims it "said nothing about an attack on America." [CNN, 4/12/04, Washington Post, 4/12/04, Briefing, 8/6/01, more]

Aug 27, 2001: An FBI supervisor tries to ensure that a hijacker doesn't "take control of a plane and fly it into the World Trade Center." [Senate Report, 10/17/02] Headquarters chastises him for notifying the CIA. [Time, 5/21/02, more]

Sept 10, 2001: A number of top Pentagon brass suddenly cancel travel plans for the next morning, apparently because of security concerns. Why isn't this news spread widely? [Newsweek, 9/13/01, Newsweek, 9/24/01, more]

Sept 11, 2001: Data recovery experts extract data from 32 damaged WTC computer drives. The data reveals a surge in financial transactions shortly before the attacks. Illegal transfers of over $100 million may have been made through WTC computer systems immediately before and during the 9/11 disaster. [Reuters, 12/18/01, CNN, 12/20/01, more]

Sept 11, 2001: Described as a bizarre coincidence, a US intelligence agency was set for an exercise on Sept 11 at 9 AM in which an aircraft would crash into one of its buildings near Washington, DC. [USA Today/AP, 8/22/02, more]

Sept 11, 2001: Hours after the attacks, a "shadow government" is formed. Key congressional leaders say they didn't know this government-in-waiting had been established. [CBS, 3/2/02, Washington Post, 3/2/02, more]

Sept 11, 2001: Six air traffic controllers who dealt with two of the hijacked airliners make a tape recording describing the events within hours of the attacks. The tape is never turned over to the FBI. It is later illegally destroyed by a supervisor without anyone making a transcript or even listening to it. [Washington Post, 5/6/04, NY Times, 5/6/04]

Sept 13-19, 2001: Bin Laden's family is taken under FBI supervision to a secret assembly point. They leave the country by private plane when airports reopen days after the attacks. [New York Times, 9/30/01, Boston Globe, 9/20/01, more]

Sept 15-16, 2001: Several of the 9/11 hijackers, including lead hijacker Mohamed Atta, may have had training at secure US military installations. [Newsweek, 9/15/01, Washington Post, 9/16/01, Los Angeles Times, 9/15/01, more]

Sept 20, 2001: Several 9/11 hijackers later mentioned in the 9/11 Commission Report turn up alive. "Five of the alleged hijackers have emerged, alive, innocent and astonished to see their names and photographs appearing on satellite television...The hijackers were using stolen identities." [quote Times of London, 9/20/01, see also BBC, 9/23/01, more]

Dec 2001-Feb 2002: The US engineers the rise to power of two former Unocal Oil employees: Hamid Karzai, the interim president of Afghanistan, and Zalmay Khalizad, the US envoy. The big American bases created in the Afghan war are identical to the route of the projected oil pipeline. [Chicago Tribune, 3/18/02, more]

May 17, 2002: Dan Rather says that he and other journalists haven't been properly investigating since 9/11. He graphically describes the pressures to conform that built up after the attacks. [BBC, 5/16/02, Guardian, 5/17/02, more]

May 23, 2002: President Bush says he is opposed to establishing an independent commission to probe 9/11. [CBS, 5/23/02] Vice President Cheney earlier opposed any public hearings on 9/11. [CNN, 1/29/02, Newsweek, 2/4/02, more]

May 30, 2002: FBI Agent Wright formally accuses the FBI of deliberately curtailing investigations that might have prevented 9/11. He is threatened with retribution if he talks to Congress about this. [Fox News/Reuters, 5/30/02, more]

July 22, 2004: The 9/11 Commission Report is published. It fails to mention that a year before the attacks a secret Pentagon project had identified four 9/11 hijackers, including leader Mohamed Atta. The Commission spokesperson initially states members were not informed of this, but later acknowledges they were. [New York Times, 8/11/05, more]

2004 - 2005: A growing number of top government officials and public leaders express disbelief in the official story of 9/11. 100 prominent leaders and 40 9/11 family members sign a statement calling for an unbiased inquiry into evidence suggesting high-level government officials may have deliberately allowed the attacks to occur. [Various Publications]

Aug 9, 2006: A book by 9/11 Commission chairmen Kean and Hamilton outlines repeated deceptions by the Pentagon and FAA, including the timelines of Flights 77 and 93. CNN News: "The fact that the government would ... perpetuate the lie suggests that we need a full investigation of what is going on." [CNN, 8/9/06 , MSNBC/AP, 8/4/06, more]

2006-2011: Over 50 senior government officials, 100 respected professors, and 1,000 architects and engineers criticize The 9/11 Commission Report as flawed, and call for a new, independent investigation. [Officials, Professors, Architects]