Lawyers for 11,000 mentally ill inmates in Illinois prisons have reached a settlement with the state in a long-running class-action lawsuit that alleged inadequate treatment amounted to “cruel and unusual punishment,” reports the Associated Press. The agreement calls for the Illinois Department of Corrections to build four new treatment units at a cost of $40 million. Hiring new staff members is expected to cost another $40 million a year. Filings in U.S. District Court in Peoria announced the agreement, which isl subject to final approval by Judge Michael Mihm.