You are seriously quoting The Centre for Social Cohesion (now merged with the Henry Jackson Society - a "neocon think tank" which is connected with that epitome of rational thought, "The Committee on the Present Danger") and the Daily Mail (which needs no introduction)?
One third of British Muslim students say they support killing for Islam. What about their actions, though? Cognitive dissonance is pretty common among religious people. A lot of Christians agree with the statement, "If your right eye causes you to stumble, gouge it out and throw it away", but there still aren't many actual eye-gouging cases.
Center for Social Cohesion: One Third of British Muslim students support killing for Islam
http://www.dailymail.co.uk/news/article-1340599/WikiLeaks-1-...
http://www.socialcohesion.co.uk/pdf/IslamonCampus.pdf