Entropy, to get you started he is a link to place based policing...it's focus is on micro-geography. A lot of this would apply to COIN I think. It is not just the paper I like but it matches a lot of my personal LE experience.
Would also go well with a paper Jedburgh posted awhile back called Ungoverned Spaces.

http://www.policefoundation.org/pdf/...edpolicing.pdf