Memorial service being held for Polk County deputy, 21, killed in line of dutyA memorial service is being held for a Polk County deputy who was fatally shot while serving a warrant.
Gunshot that killed 21-year-old Polk deputy was fired by fellow deputies, sheriff saysA 21-year-old deputy was fatally struck by a bullet fired by fellow deputies while serving a felony warrant, according to the Polk County sheriff.