The first and most obvious rule of being on an undercover mission is surely that you musn’t tell anybody that you are on that mission. Mess that one up and you might as well give up the right to call yourself a spy. Matters are somewhat complicated, however, when people don’t seem to appreciate how busy you are. It isn’t as though he can turn around and tell anybody precisely what he’s up to, now is it? “ Please stay out of the way. I’m trying to work. It’s very... ” A pause. Civil servant, civil servant, he’s your bog standard civil servant. “ ...important. For our country. ”