The Devils Detective - Simon Kurt Unsworth

Welcome to Hell. Solving crimes was the purpose of the Information Men, yet they almost never achieved it, and even when they did, the facts they scraped free were lost, buried again in the labyrinthine mess of the Bureaucracy. When an unidentified, brutalised body is discovered, the case is assigned to Thomas Fool. But how do you investigate a murder where death is commonplace and everyone is guilty of something?