Many rules about police behavior are set down in codes of practice, and there are also laws about some of the things the police can and can't do. The police are covered by the law about discrimination, which means it's against the law for them to discriminate against you because of your race, sex, sexuality, religion or disability. (Hunter 2004)
If the police act in a way which does not comply with the law or the codes of practice, it may mean you could sue them, that they could be prosecuted for committing a criminal offence, or that they could ...