Complex sentence: Cuthbertson had angered the KKK by the appointment of a Catholic police chief, who led the recall effort and supported Judson Transue, Cutbertson's elected successor.
Split into simpler sentences: Cuthbertson had angered the KKK by the appointment of a Catholic police chief. The KKK lead the recall effort and supported Judson Transue, Cutbertson's elected successor.