Crime and Policing
http://www.homeoffice.gov.uk/police/
Home office police website. Contains sections on policing policy and police reform.
www.homeoffice.gov.uk/police/powers
Contains pages from the Home Office web site providing circulars and documents on police powers and includes links to the Independent Police Complaints Commission and the PACE Codes.

Police Powers UK
www.adviceguide.org.uk/index/your_rights/legal_system/police_powers.htm
Citizens Advice Bureau's public access web site providing information, help and guidance on police powers and citizen's rights

Your Rights
www.yourrights.org.uk/
The web site of the human rights organisation - Liberty, this provides relevant guidance and advice on police powers including the right to stop, arrest, search, enter property and question suspects.

The Independent Police Complaints Commission
www.ipcc.gov.uk
The web site for the the organisation that has overall responsibility for the system for complaints against the police; this contains details of how complaints are investigated and reports of some of higher profile investigations.

Association of Chief Police Officers of England, Wales and Northern Ireland
www.acpo.police.uk
Funded by the Home Office and Police Associations, ACPO's members are police officers who hold the rank of Chief Constable, Deputy Chief Constable or Assistant Chief Constable, or their equivalents, in the police England, Wales and Northern Ireland. See www.acpos.police.uk/ for the Scottish equivalent.

Police Federation
www.polfed.org
This is the web site for the Police Federation of England and Wales - the body that represents those working in the Police other than the senior officers (above). This site contains links to all police forces in England and Wales. For its Scottish equivalent see www.spf.org.uk For Police Federation of Northern Ireland see www.policefed-ni.org.uk

Home Office
www.homeoffice.gov.uk
The Home Office web site is useful not only for its material on criminal justice, but also because of its coverage of immigration, asylum and terrorism.