Cairo was a city in the Middle East.
In the distant past, Hasan bin Sabah used his fanatical army of Ashishin to carry out political murders across the Middle East, including in Cairo. (Trojan Horse)
While overseas in Cairo, CIA Agent Jack Bauer found that Abdul Rahman Yasin was in Los Angeles. (Trinity)
Barcelona arms dealer Phillipe Darcet was convicted in federal court of funding the failed 1999 terrorist attack against the American embassy in Cairo. (Findings at CTU)
Three years prior to Day 9, Margot Al-Harazi and her husband Mahmoud Al-Harazi orchestrated a bombing in one of Cairo's markets that resulted in the deaths of 36 British nationals.