Showing Who Guards the Prince by Reginald Hill

Who would sever a tongue from a living mouth? Or kill a pathetic, homeless old man? Or frighten a young doctor into silence? The questions are piling up, and Doug McHarg can't stop asking them - especially when he's warned off by both his boss in the local police and by Scotland Yard. The pattern that emerges is of a powerful organisation with links to the throne and the White House. And all that stands against them is McHarg: a discontented copper with nothing to lose.