the bigger issue is they need to be collaborative with their communities, can't be top driven. it has to be organically grown from the ground up. the problems and the strategies in those cities to address those problems. >> chief, i hear what you are saying. dr. alexander wrote, i bet for cnn, outlining many of the points saying how to build a more sensitive officer. i have to tell you what i'm struck by, i'll give this to you, doc, recruiting diverse forces, having them to understand their community. if you get them to live in their community, that's great, other than arrest people in their community, spend time with them, that's great. shouldn't that have been being done all along? >> one thing we have to remember, chris, there are a lot of departments across the country that are currently doing that and have been doing it for some time. they have been practicing great community oriented policing, but there are communities that still struggle with that concept and you are absolutely right, in light of everything that's going