Gunman sought in killing of deputy, K-9 officer Posted September 28, 2006 at 01:05 PM By DAVE NICHOLSON / The Tampa Tribune Video: Deputies Injured | Polk Sheriff’s News Conference Deputy Vernon Williams LAKELAND – A Polk County sheriff’s deputy was killed and another shot in the leg about 12:30 p.m. today after they pursued a motorist who ran away from a traffic stop. Deputy Vernon Matthew “Matt’’ Williams and his K-9 were shot to death, officials said. Deputy Doug Speirs was shot in the leg but was expected to recover. Polk County sheriff’s deputies are searching for the suspect...