Sadly, it looks that way. Can't say there wasn't a warning, below is an excerpt from 1998 Congressional Hearings on Intellegence and Security, submitted by OMAR ASHMAWY
the link is here
4) Infiltration of extremism into the West
The liberal policies of the West, primarily France, Germany, England and the United States, allowed the extremists from the Middle East to establish bases of operations in their countries. The extremists infiltrated these countries through immigration or political asylum. They have taken advantage of the democratic and liberal atmosphere to organize and form a nucleus of leadership. From these new bases, they attempt to achieve their political agendas in their home countries. The easily obtained western technology and free open market offers them a better and more effective way to direct and finance their followers. The tolerant policies of the West facilitate the creation of safe havens for their supporters and fugitives. Utilizing all the current technology available in communications has helped the extremists to have strong, successful, effective and influential underground activities. The quick and immediate transferal of monies has also enhanced the power of the extremists, giving them the opportunity to expand by financing and supporting new members into the inner circle and to hijack established Islamic institutions, or establish new ones. The protection the extremists receive in the Western countries under the auspices of freedom of speech and association has unfortunately made them powerful. In addition, their activities are not necessarily illegal since their conspiracies are not toward the host country, but towards the countries of their birth.