http://www.cam.ac.uk/research/news/first-scientific-report-shows-police-body-worn-cameras-can-prevent-unacceptable-use-of-force
Link to OR:
http://link.springer.com/article/10.1007/s10940-014-9236-3
Less revenge, more prevention.
Pop culture glamorizes the police. Pop culture glamorizes givingthe police a hard time as a sign of pride or contributing to some sort of justice. Making routine encounters into a kind of personal challenge is precisely the wrong thing to do--whether in politics, in personal relationships, or in encounters with civil servants.