Stoke Newington Liaison Scheme

Joint work between the Met and City and Hackney Community Services trust. Five community psychiatric nurses available during the day to divert mentally ill offenders from point of arrest. CPNs train police officers to 'identify the signs of mental distress'.

South Birmingham Mental Health trust

Seven full-time CPNs available from point of arrest, plus out-of-hours service and links with mentally disordered offenders' bail hostel.

West Yorkshire Police

In 1996, Sgt Griffiths wrote a guide to mental health law for West Yorkshire Police, used by 'a number of other forces'.