[TorbjornLunde]

There has been quite a debate in the wake of this, and the our anti-terror institution have admitted that no increase of power and knowledge of their part would likely not have done a big difference. It is apparently extremely difficult to detect people working completely on their own, almost regardless of resources.

Some of the focus in the debate has been more about how to avoid people ending up with value systems (or mental disease) that permit and promote such horrible violence.