If we have to produce evidence against a group say in Luton, in Bedfordshire in Britain, where there has been quite a lot of relatively amateur activity, that shows some of these groups are accumulating elements of weapons of mass destruction, chemical elements, technologies which could help them build bombs, revealing that evidence would reveal the forensic mistakes they made, so security services are reluctant to do that.
Prenons un groupe relativement amateur comme celui de Luton, dans le Bedfordshire, en Grande-Bretagne, qui est très actif dernièrement. Il semblerait que certains de ces groupes accumulent les éléments d'armes de destruction massive, des éléments chimiques, des technologies qui les aideraient à construire des bombes.