As DeKalb investigators turned up the heat, top officials resisted Posted: 4:40 p.m. Saturday, Aug. 8, 2015 Email 2Facebook 315Twitter 108ShareThis 460 By Alan Judd, Mark Niesse and Johnny Edwards – The Atlanta Journal-Constitution Mike Bowers glared into the television cameras, cast again in a familiar role: Georgia’s preeminent corruption-buster. “We’re going to root out conflicts of interest, corruption, malfeasance and misfeasance,” …