Beloit police say a 28-year-old gunshot victim and the accused shooter knew each other, meaning there is no additional threat to the community. Twenty-four-year-old Christopher A. Barker of Beloit has been arrested and charged with attempted homicide. Barker was already being sought for a substantial battery complaint out of Milwaukee County. The victim was shot him the shoulder early Saturday morning. He was taken to Janesville’s Mercy Hospital for treatment. His name and medical condition haven’t been released.