Robert Peel famously said that the test of police efficiency is the absence of crime and disorder.

BBC: What do we value about the police?

The Principles of Policing introduced by Robert Peel in the 1820s emphasise the community-based rather than authoritarian approach that has been the bedrock of our police services (as opposed to forces).

BBC: Could we tolerate zero tolerance?

When GMP moved into their new glass-fronted headquarters recently, Sir Peter asked that the principles of Sir Robert Peel be written on the windows in letters that can be read 50m away.

BBC: The police are the public and vice versa