The guide is about from the late 80s or early 90s (it was printed in 1993), so I imagine this as le Carré examining the underworld we did not exactly get to view when Oliver North was testifying/obfuscating about his part while in the Iran-Contra affair. In this article, as generally, le Carré is concentrated much more on the UK's involvement

Nonetheless, Exclusive authorities are out to punish Rachel for her crime, as time-touring and utilizing a host body in addition switching the past is a serious offense, and she or he has to be looked after. The authorities in the future want Melissa useless and can vacation resort to anything at all—which includes murder—to maintain