Several large deposits are made on the 9/11 hijacker pilots’ accounts. The joint SunTrust account of Mohamed Atta and Marwan Alshehhi receives $8,600 on May 11, $3,400 on May 22, and $8,000 on June 1, when $3,000 is also deposited in Ziad Jarrah’s SunTrust account. The 9/11 Commission will not identify the source of these funds, but will speculate that they may be from physically imported cash or traveler’s checks the investigation did not identify, or funds that were previously withdrawn, but not spent. [9/11 Commission, 8/21/2004, pp. 136-7 ] Alternatively, they may be related to the way in which Mohamed Atta distributes cash transferred to his US bank accounts (see Mid-July-Mid-August 2001).