Good question, personally I was thinking there would be npc type groups that cops and criminals can collaborate against (Glarehold is pretty big having about 15 districts with about 5 sections each; with cop/criminal units for each) as well as having special events that force cops and criminals...
Hoping for a better tomorrow
As you walk through the throng of the crowd towards your favorite inn, a figure rushes past knocking you to the ground. As you curse and lift yourself from the wet cobblestones, several blue clad guards rush past. Frustrated, you check your pockets for your meager...