Machine generated contents note: 1. Introduction / Johannes Knutsson -- 2. From Crisis to Opportunity: New Crowd Psychology and Public Order Policing Principles / Stephen Reicher -- 3. Crowd Dynamics and Public Order Policing / Clifford Stott -- 4. Initiation and Escalation of Collective Violence: An Observational Study / Otto M.J. Adang -- 5. Police Use of Active and Passive Mitigation Strategies at Crowd Events / Kjell Granstrom -- 6. Policing the British G8 Protests: A Contextualized Analysis / David P. Waddington -- 7. Crowd-Related Crime: An Environmental Criminological Perspective / John E. Eck -- 8. The Police and Major Event Planning: A Case Study in Las Vegas, Nevada / Tamara D. Madensen -- 9. Trick or Treat? Policing Halloween in Madison, Wisconsin / Michael S. Scott -- 10. Dialogue Policing: A Means for Less Crowd Violence? / Johannes Knutsson
