^
And regarding the recent poisoning i am still not sure that the british s. services were not involved.. things are seldom as simple as they look.
https://en.wikipedia.org/wiki/Smiley%27s_People
This is a novel, and from the cold war, but seriously i doubt it ended then. You can also have a look at what England did with the Enigma machines, after WW2. Nice to have such.. allies. For certain services, the war never ends.