Polk County deputy, 21, shot and killed by friendly fire while serving warrant in Polk City: Sheriff

Polk County Sheriff Grady Judd said the deputy who was shot and killed while serving a felony search warrant early Tuesday morning appears to have been shot by another member of the Polk County Sheriff's Office (PCSO). PCSO said that Sergeant Michael Brooks and Deputies Johnny Holsonback III, Adam Pennell and Blane Lane arrived at a trailer on Foxtown South in Polk City around 3 a.m. to serve Cheryl Lynn Williams, 46, a warrant. Williams had an outstanding felony warrant for failure to appear on a possession of methamphetamine charge.