‘The small room was thick with dark blue uniforms. Bull’s wool the men called the material. Silver buttons. Black boots. Caps. Batons holstered in shiny black leather cylinders. Handcuffs hanging from coat hooks, the keys dangling on thick green ribbon. Dusty files on shelves. Shiny whistles on silver chains. Ink. Nibbed pens. Blotting paper. The big map of the district...