A Saudi named Mohamed al-Khatani is stopped at the Orlando, Florida, airport and denied entry to the US. Jose Melendez-Perez, the customs official who stops him, later says he was suspicious of al-Khatani because he had arrived with no return ticket, no hotel reservations, spoke little English, behaved menacingly, and offered conflicting information on the purpose of his travel. At one point, al-Khatani said that someone was waiting for him elsewhere at the airport. After 9/11, surveillance cameras show that Mohamed Atta was at the Orlando airport that day. 9/11 Commissioner Richard Ben-Veniste says: “It is extremely possible and perhaps probable that [al-Khatani] was to be the 20th hijacker.” Al-Khatani boards a return flight to Saudi Arabia. He is later captured in Afghanistan and sent to a US military prison at Guantanamo Bay, Cuba (see December 2001). Melendez-Perez says that before 9/11, customs officials were discouraged by their superiors from hassling Saudi travelers, who were seen as big spenders. [Los Angeles Times, 1/27/2004; Time, 6/12/2005] Al-Khatani will later confess to being sent to the US by 9/11 mastermind Khalid Shaikh Mohammed (KSM) (see July 2002), and in June 2001 US intelligence was warned that KSM was sending operatives to the US to meet up with those already there (see June 12, 2001).