A corollary of this division is the debate between the usefulness of Sigint (signals intelligence, the gathering of information through electronic interception) versus Humint (human intelligence, gathering information through recruiting agents). In several of his novels, Forsyth ridicules the C.I.A. and the "subservient" camp of the British S.I.S. as being over-awed by technology, such as sigint and satellite photography, and regarding spying through human agents as a thing of the past. Whereas experienced field agents like McCready know that these approaches can be avoided or fooled, and it takes a human agent to gather reliable intelligence.