This is the story of surveillance in Britain and the United States, from the detective agencies of the late nineteenth century to Wikileaks and CIA whistle-blower Edward Snowden in the twenty-first. Written by historian and intelligence expert Rhodri Jeffreys-Jones, it is the first full overview of its kind. Delving into the roles of credit agencies, private detectives, and phone-hacking journalists as well as agencies like the FBI and NSA in the...