...One teacher had a “sexual relationship” with a student, Martinez said. Another teacher groomed a student and, once she turned 18 and graduated, immediately began a sexual relationship with her, he said. A volunteer groomed multiple students, he said. Martinez said there was “not more than a dozen” students who were victims but could not provide a specific number. The investigation took so long because CPS’ office of the inspector general had a backlog of cases and staffing issues, he said. And the cases will be hard to prosecute due to the laws in Illinois, Martinez said. Loopholes allow adults...