http://www.nytimes.com/2005/08/01/international/europe/01threat.html?th&emc=th
ELAINE SCIOLINO
"'Hard-core Islamists are mixing with petty criminals,' he added. 'People of different backgrounds and nationalities are working together. Some are European-born or have dual nationalities that make it easier for them to travel. The networks are much less structured than we used to believe. Maybe it's the mosque that brings them together, maybe it's prison, maybe it's the neighborhood. And that makes it much more difficult to identify them and uproot them.'"