CALEDONIA, Wis. (WFRV) - A southern Wisconsin police department is celebrating the career of one of its K-9s as he heads for retirement from the force. K-9 Louie of the Caledonia Police Department served with his handler, Officer Cory Radke, and the force for eight years. Wisconsin man arrested for alleged 5th OWI offense after being treated for crash injuries "From protecting our officers to assisting in searches, drug detection and apprehensions, K-9 Louie has been a true hero," the Caledonia Police Department said on Facebook. K-9 Louie will officially retire on Monday, January 13, in a public event, along with the swearing-in of two new officers.