In May 2000, “Ramzi bin al-Shibh applied for a visa to travel to the United States and was denied. American investigators would later say that Mr. Shibh, a Yemeni living in Germany as part of a Qaeda terrorist cell, was intended to be the 20th hijacker in the terrorist attacks of Sept. 11.” [The 15th of the month used for date sorting purposes only.]
– Kate Zernike and James Risen, “Tracing a 16-Month Infusion of Men and Money, Culminating in the Horror of Sept. 11,” The New York Times, Dec. 12, 2001