It's interesting to re-read his history.
I hadn't remembered that he was Khalid Sheik Mohammed's nephew.
http://en.wikipedia.org/wiki/Ramzi_Yousef
While he was in the Philippines, Yousef courted local women in clubs
and went on scuba trips. Yousef met his girlfriend, Carol Santiago, at
a 7-11 store on Adriatico Street. Santiago was introduced to Khalid
Shaikh Mohammed at the store. She knew him under the name Salem
Ali. Mohammed claimed to be a Saudi businessman.