Of course it's entirely logical that the UK hard state at some level would have been complicit; the rest is a smokescreen for public consumption. The world over, these agencies operate outside international or domestic law. The SS (MI5) and Special Branch (UK political police) has been a political organ ever since the beginning. Witness SIS (MI6) recent involvement in torture. What surprises me is that anyone would ever be surprised at any of this.
Yemen's Houthi rebels commit to peace plan in letter to UN chief, BBC reports (Haaretz)
from the article: Report: German passport tied to Dubai hit wasn`t forged