Whitewashing the Protection of Terrorists on US Soil - Rawstory.com

But all this is academic. Mohamed Atta was never a green-card holder. Worse still, he never had a valid entry visa. On the contrary, in January 2001, Atta was permitted reentry into the United States after a trip to Germany, despite being in violation of his visa status. He had landed in Miami on January 10 on a flight from Madrid on a tourist visa - yet he had told immigration inspectors that he was taking flying lessons in the US, for which an M-1 student visa is strictly required.
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The Able Danger story, however, is only the latest confirmation that the intelligence community had extensive information on many of the 9/11 hijackers years prior to 9/11.
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Other facts were also considered irrelevant by the Commission. For instance, the fact that numerous reports in the San Francisco Chronicle, South Florida Sun Sentinel, Los Angeles Times, and numerous other sources, confirmed from multiple eyewitnesses that the hijackers, including Mohamed Atta, had "engaged in some decidedly un-Islamic sampling of prohibited pleasures in America's reputed capital of moral corrosion," in Las Vegas and elsewhere - behavior that just doesn't quite fit with al-Qaeda's puritan salafist ideology of strict adherence to Islamic tenets.
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Or the reports that emerged in Newsweek, the Washington Post, and the New York Times that at least "five of the alleged hijackers received training in the 1990s at secure US military installations", including Mohamed Atta who attended International Officers School at Maxwell Air Force Base in Montgomery, Alabama.
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The backtracking and side-stepping of the now disbanded Commission hardly lends its position further credibility.