save money. Shaikh was, coincidentally, an FBI informant, but since they never acted suspiciously around him, he never reported them. The CIA Bangkok station told Alec Station that Hazmi had gone to Los Angeles. None of this information made it back to the FBI headquarters. Attacks Within minutes of the attacks, the Federal Bureau of Investigation opened the largest FBI investigation in United States history, operation PENTTBOM. The suspects were identified within 72 hours because few made any attempt to disguise their names on flight and credit card records. They were also among the few non-US citizens and nearly the only passengers with Arabic names on their flights, enabling the FBI to identify them using such details as dates of birth, known or possible residences, visa status, and specific identification of the suspected pilots. On September 27, 2001, the FBI released photos of the 19 hijackers, along with information about many of their possible nationalities and aliases. The suspected hijackers were from Saudi Arabia (15 hijackers), United Arab Emirates (two hijackers), Lebanon (one hijacker) and Egypt (one hijacker). The passport of Satam al-Suqami was reportedly recovered "a few blocks from where the World Trade Center's twin towers once stood"; a passerby picked it up and gave it to an NYPD detective shortly before the towers collapsed. The passports of two other hijackers, Ziad Jarrah and Saeed al-Ghamdi, were recovered from the crash site of United Airlines Flight 93 in Pennsylvania, and a fourth passport, that of Abdulaziz al-Omari was recovered from luggage that did not make it onto American Airlines Flight 11. According to the 9/11 Commission Report, 26 al-Qaeda terrorist conspirators sought to enter the United States to carry out a suicide mission. In the end, the FBI reported that there were 19 hijackers in all: five on three of the flights, and four on the fourth. On September 14, three days after the attacks, the FBI announced the names of 19 persons. After a controversy about an earlier remark, U.S. Homeland Security Secretary Janet Napolitano stated in May 2009 that the 9/11 Commission found that none of the hijackers entered the United States through Canada. Nawaf al-Hazmi and Hani Hanjour, attended the Dar al-Hijrah Falls Church, Virginia, Islamic Center where the Imam Anwar al-Awlaki preached, in early April 2001. Through interviews with the FBI, it was discovered that Awlaki had previously met Nawaf al-Hazmi several times while the