CHAPTER 8
TOWER BRIDGE, LONDON
Anyone noticing the slightly-built woman in a hoodie, wearing a face mask, might have been forgiven for thinking her a writer taking notes for a novel. She occasionally entered her observations into a jotter as she sat on a low wall. The guard on surveillance duty in front of a host of monitors ascribed the hoodie to nothing more suspicious than the cold breeze from the river and the mask for fear of viral infection.
The stalker took detailed notes of comings and goings with particular attention to times and tourist flow. On another page, she had identified the fixed CCTV cameras and, from her point of view, the more dangerous, pan-tilt-zoom cameras. With her acute spatial awareness, her mathematical mind worked out the blind spots of the cameras so that,
