Harry Ellen, a businessman who converted to Islam, has high credibility with Muslims in Arizona because of his work on behalf of the Palestinian cause. He has had important meetings with Palestinian leader Yasser Arafat. In 1994, he began working as an FBI informant. Ken Williams, the Phoenix FBI agent who will later write the July 2001 “Phoenix memo”(see July 10, 2001), is his handler. In October 1996, Ellen tells Williams that he has suspicions about an Algerian pilot who is training other Middle Eastern men to fly. He later recalls, “My comment to Williams was that it would be pitiful if the bad guys were able to gain this kind of access to airplanes, flight training and crop dusters. I said, ‘You really ought to look at this, it’s an interesting mix of people.’” Ellen had previously begun spying on a man known as Abu Sief, which apparently is his alias. Sief had come to Arizona from New Jersey in 1993, and bragged about having close ties with al-Qaeda figures Sheikh Omar Abdul-Rahman and Ramzi Yousef (when Yousef’s computer is seized in the Philippines in 1995, there is a mention of a contact in Tucson, Arizona, but it is unknown if this is a reference to Sief or someone else (see January 7-11, 1995)). Sief attended a New Jersey mosque that many of the 1993 World Trade Center bombers also attended. Ellen soon sees the unnamed Algerian pilot meeting with Abu Sief. He tells this to Williams and later will claim, “I told him to be very concerned about air schools.” However, Ellen will claim that Williams responds by telling him to “leave it alone.” So he does. Ellen later believes that Williams should have sent the gist of his Phoenix memo at this time, instead of four and a half years later. Hani Hanjour is living in Phoenix by this time and taking flight training nearby (see October 1996-Late April 1999). Ellen later will say he did not know Hanjour directly, but he knew some of his friends and relatives. Ellen and Williams will have a falling out in late 1998 on an unrelated manner, and Ellen’s flow of information will stop. [Washington Post, 5/24/2002; New York Times, 5/24/2002; Lance, 2003, pp. 211, 352-355, inset 21]