In the end, Approaches 1 and 2 produced the same set of 6 optimal locations while Approach 3 produced a slightly different set. The images below show these locations geographically.
Optimal locations of police facilities using Approaches 1 and 2
Crime location coverage of each facility. Most facilities would only cover crime locations within their same region, though a few crime points near the borders are covered by a facility in a different region.
Optimal locations using Approaches 1 and 2 (in color) vs. Approach 3 (black). Three facilities remain in the same location, regardless of approach.