Can a strategic partnership reduce the cost of policing?

Back in November I gave a presentation to a conference of police authority treasurers and police force finance directors about strategic partnerships in policing and I posted my slides here. In that presentation I tried hard to make sure that my comments were balanced, giving both the positive messages that advocates of private sector involvement would make and the counter-arguments. As a result of having some time on my hands I've boiled down my presentation into a one pag document which you are welcome to download. Can a SP save money