You can check the website of AVID http://www.minbzk.nl/wwwaivdnl (in Dutch) it seems that they had the writing on the wall check what they write about the Moroccan community in their 2003 annual report (English) http://www.fas.org/irp/world/netherlands/aivd2003-eng.pdf
Here http://www.minbzk.nl/wwwaivdnl/actueel_publicaties/parlementaire/de_moord_op_de_heer is a long to-do list I guess that they are working overtime at present.