“The longer they work on the case, the more obvious it becomes how big the impact of the suspected treachery really is,” according to Der Spiegel magazine. A German official described the Russian penetration of Nato as a "catastrophe".
Comparisons are being drawn with the case of Aldrich Ames, the former head of the CIA counter-intelligence department who was in effect Russia's top agent in the US.
http://www.timesonline.co.uk/tol/new...cle5166227.ece