[csvset]

I see the bomber had a Belgian passport.

Belgium is an attractive place for "asylum" seekers. From Flanders news.

Belgium popular among asylum-seekers

[ScaniaBoy]

Yes, sure is. And of course Belgium passports are/were easy to obtain. (I discussed this years ago on FR, when the antecedentia of our own ("Swedish") Gitmo prisoner MehdiGhezali was on the agenda.)

For more on Belgium, the Netherlands, and France see chapter 2 and 3 here:

Bin Laden's Terror Networks in Europe