This report discusses four states’ programs and approaches that are now critical components of their justice systems and represent the diverse challenges and solutions of states that have participated in the Justice Reinvestment Initiative. These programs and approaches are Arkansas’s crisis stabilization units and crisis intervention training; Louisiana’s gender-responsive approach to women’s incarceration and supervision; Oregon’s Improving People's Access to Community-Based Treatment, Supports, and Services program; and Pennsylvania’s performance-based contracting approach to community corrections.