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One month before the Sept. 11, 2001, terrorist attacks, the so-called 20th hijacker may have been prevented from entering the country by an alert border agent at Orlando International Airport, federal investigators said Monday.
Sometime in August 2001, a man known only by his last name, al-Qahtani, arrived at the airport on the same day that lead hijacker Mohamed Atta was known to have been there.
But al-Qahtani was turned away after questioning by border agent Jose Melendez-Perez, who is scheduled to testify about the incident at a hearing Monday of the federal 9-11 commission.



