CHAPTER 19 Monika Tiller booked into a hotel in Frankfurt – a nondescript establishment in the suburb of Sachsenhausen – to be close to Lisa's place of work. This part of the inner city was densely populated and offered ideal cover for her needs. Secret meetings were easier to arrange, and it would help her run to safety when the time came. And come it would. She spent her time mainly in her hotel room analysing the stuff Lisa delivered – either electronically or as hard copy. She met Lisa surreptitiously in crowded places to take delivery. A part of her surveillance training involved recognising third-party tails, and she took pains to see that each meeting point was clean. Much of the stuff from Lisa seemed meaningless and piecemeal; only a few points struck her as potentially incrimi

