The other bits of jargon—lamplighter, scalp-hunter, baby-sitter, honey trap and the rest—were all invented, but they too, I am told, have at least in part since been adopted by the professionals. I made no particular cult of them as I wrote: I wished merely to underline the fact that spying for those who do it is a trade like any other, and that, like other trades, it has its little bits of language.
