[link|http://www.cnn.com/2001/US/11/07/gen.attack.on.terror/index.html|Here]

Excerpt:

CNN) -- President Bush will announce Wednesday that the administration has identified and begun freezing the assets of two financial networks believed to be significant sources of support for Osama bin Laden's al Qaeda terrorist organization.

CNN has learned that the networks -- comprising 62 individuals and organizations -- are an Islamic money exchange known as Al Taqua, and a worldwide network of informal money exchanges known as hawalas.