A federal judge has staked out the middle ground in a dispute over access to citizen complaints made against three Chicago police officers named as defendants in a civil rights lawsuit. In a written opinion, U.S. Magistrate Judge Young B. Kim rejected plaintiff Lindsey Jacobs’ argument that she is entitled to see the entire contents of the so-called complaint register (CR) files concerning the officers. But Kim also rejected the city’s argument that the only information in CR files open to the public is …