Description:What is at stake? -- Introducing protest crowds -- Emotions: the fuel of violence -- Introducing police -- The violence of 'otherness': scapegoating and hegemonic structures -- Introducing targets, bystanders, and media -- Reciprocal violence -- Mutual blessing -- Towards a mutual respect paradigm of protester -- police dynamics -- Protest crowds and police in the context of democracy -- 'Getting the dialogue started': crowd management and conflict resolution -- a case study -- Hearing from the players -- Practical suggestions for community-based initiatives