Mohamed Atta
Mohamed Mohamed el-Amir Awad el-Sayed Atta ( ; ""  ; September 1, 1968 – September 11, 2001) was an Egyptian hijacker and one of the ringleaders of the September 11 attacks in which four United States commercial aircraft were commandeered with the intention of destroying specific civilian targets. He served as the hijacker-pilot of American Airlines Flight 11 and crashed the plane into the North Tower of the World Trade Center as part of the coordinated attacks. At 33 years of age, he was the oldest of the 19 hijackers who took part in the attacks.
Mohamed Atta
In July 2001, Atta again left for Spain in order to meet with bin al-Shibh for the last time. On July 7, 2001, Atta flew on Swissair Flight 117 from Miami to Zürich, where he had a stopover. On July 8, Atta was recorded on surveillance video when he withddrew 1700 Swiss francs from an ATM. He used his credit card to purchase two Swiss Army knives and some chocolate in a shop at the Zürich Airport. After the stopover in Zürich, he arrived in Madrid at 4:45 pm on Swissair Flight 656, and spent several hours at the airport. Then at 8:50 pm, he checked into the Hotel Diana Cazadora in Barajas, a town near the airport. That night and twice the next morning, he called Bashar Ahmad Ali Musleh, a Jordanian student in Hamburg who served as a liaison for bin al-Shibh.