"This marker/indicator was found in the passports of at least three of the 19 hijackers responsible for the September 11th attacks, including Nawaf al Hazmi and Khalid al Mihdhar, and others who assisted them, including Omar al Bayoumi, a Saudi Arabia employee and agent who aided the hijackers in 2000-2001 in California, as detailed herein, and information about this marker/indicator was not known by United States consular officers, immigration or law enforcement agencies," the suit details.