Let me see: you're an Iraqi living in Denmark and Danish intelligence suspects you are the premier recruiter in Northern Europe for suicide bombers in Iraq. So what does the Danish government do: (1) send you back to Iraq; or (2) keep you in Denmark on humanitarian grounds, because you might be harmed if you were sent back to Iraq.
The Danes are not alone in picking option (2); for years, the British have been trying in vain to deport Abu Qatada, an even more notorious figure. Human rights advocates can always turn to the European Court on Human Rights to back them up; embattled national security officials lack a patron in the broader European sphere. (Thanks to Jihad Watch.)