In 1964 Ben Whitaker, who later defeated a former Home Secretary to become Hampstead's first ever Labour MP and a Junior Minister, wrote The Police to try and reconcile (in his own words) 'the very different impression police officers make when, as a barrister, one is defending from when one is prosecuting in court'. This book was widely praised as 'The best and most impartial book that has yet been written on the police' (Lord Gardiner);...