1. Early detection : the Bow street runners in late eighteenth-century London -- 2. Tips, traps, and tropes : catching thieves in post-revolutionary Paris -- 3. From ex-con to expert : the police detective in nineteenth-century France -- 4. "Crime does not pay" : thinking again about detectives in the first century of the metropolitan police -- 5. Explaining the rise and success of detective memoirs in Britain -- 6. From sleuths to technicians? Changing images of the detective in Victoria -- 7. Local "demons" in New Zealand policing c.1900-55 -- 8. The image of the Gestapo : as revealed in retrospective surveys and interviews with ordinary Germans -- 9. "Hard-headed, hard-bitten, hard-hitting and courageous men of innate detective ability..." from criminal investigation to political and security policing at end of empire, 1945-50 -- 10. "A negative and unwise approach" : private detectives, vigilantes and the FBI counterintelligence, 1910-72