“The presentation of any of this footage will be used as compelling evidence for supporters [of violent Jihad] to act and respond immediately, specifically and violently. They will use it to evidence and justify the claim that the West is at war with Islam and that it operates outside its own legal restraints; it will trigger a tipping point for many sympathisers who may have been on the verge of active response into immediate violent action. It will in short create a real and immediate risk to life.”