1. Introduction -- How can relations between police and young people be characterised? -- Why do some people have negative perceptions of police? -- Why do some people have negative perceptions of young people? -- What is the impact of poor relations between young people and police ? -- 2. Complaints against the police -- How are complaints against police dealt with? -- What is a "breach of discipline'? -- What is 'misconduct'? -- 3. Study one: CMC analysis of complaints against police by young people -- 4. Study two: Preventing risk-taking behaviour and injury in youth -- 5. Study three: Police-youth interaction study -- 6. Discussion