Bessemer
The decline of mining and exodus of the steelmaking and railcar manufacturing industries resulted in extensive loss of jobs. The city has lost population since a peak in 1970. It faced an economic crisis in the early to mid-1980s, as unemployed workers constituted more than one-third of the workforce.
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Crime increased following the rise in unemployment and social disruption from the decline of manufacturing industries in the area. As of 2019 Bessemer ranks first in terms of violent crimes for US cities with 25,000 or more people.
Sounds like fertile ground for "divide and conquer".