MST's home-based therapy design helps overcome barriers to service, increases family retention in treatment, allows for the provision of the intensive services (i.e., therapists have a maximum of 6 cases), and enhances the maintenance of successful behavior change. Community Solutions Inc. (CSI) is a nonprofit organization that promotes the responsible citizenship, accountability, and well-being of individuals and families involved, or at risk of involvement, in the child welfare, juvenile justice, or criminal justice system.