If you are a tourist, program your GPS to place a 3 mile warning circle around the intersection of “Central Ave” & “MLK Street”. Do not enter the danger zone.
An acquaintance used that model to buy a home in SE Pennsylvania; he used a compass to draw a circle around the welfare hives (for about a twenty-mile radius), then told his fiancé to pick an area outside of the circles to buy a home. Worked like a charm; his property has appreciated nicely.
He was puzzled by a concentration of blacks appearing on some website showing ethnic breakdowns; turns out he was about a dozen miles away from a state prison...