WRIGHT COUNTY, Minn. (Gray News) - A man is accused of using a sledgehammer to kill a coworker at an industrial processing plant in Minnesota. The Wright County Sheriff’s Office said deputies were initially called early Tuesday morning to Advanced Process Technologies in Cokato after a woman was found at her workstation with significant head trauma. Authorities said a bloody sledgehammer was found on the floor next to the woman, who has not yet been publicly identified. Paramedics tried to save the woman’s life, but she died at the scene from her injuries. Investigators used surveillance footage and witness accounts...