― On a street corner, somewhere in south-east London ∙ I turned left after the furniture shop and started to walk faster. I had covered a mile in what seemed like only a few minutes, and now my mind had turned to Jill's cosy flat, situated halfway up in a depressing tower block, on an estate overrun with drunken teenagers and single mothers. God, it's an awful place, but people have to live somewhere. Teachers, hotel receptionists, salesmen, plumbers, and low-ranking police officers. They [...].