When I climb into my car I enter my destination into a GPS device whose spatial memory supplants my own. I have photographs to store the images I want to remember books to store knowledge and now thanks to Google I rarely have to remember anything more than the right set of search terms to access humankind's collective memory.
Let's stop pretending we can arrest our way to safety and security. Despite all the fine work that policemen and women do we have got to find other solutions to deter crime.