It is becoming common to accuse muslim people of refraining from actively denoncing terrorists. The question is: are they in a position to do so? In order to understand this, it would be crucial to try and put ourselves in their clothes. Muslim civilians, on one hand, are now suspected by non-muslim by th emere fact of belonging to a religious minority. In other words, they have no chance to be integrated in the local community, if that is not muslim. On the other, they have very little incentive to severe the ties with their own community by openly accusing some of its members. If they did so, they would be at risk of losing even their status of member of a minority.
To understand this basic point is necessary if we wish to tailor a policy that allows us to single out terrorist from the rest of the people. To insist on clash of cultures, unwillingness to cooperate, impossiblity to integrate is the wrong path to follow. We have to take the first steps and understand how difficult it is for a common muslim to live under a constant threat of being treated as a traitor at best, and a criminal at worst.