It covers quantitative statistical outcomes spanning 9 years of the Montana Department of Corrections (DOC) contracted program for the treatment of male methamphetamine and other drug offenders: The Nexus program in Lewistown, MT operated by Community Counseling and Correctional Services (CCCS). All data from report prepared by Timothy B. Conley, Ph.D. and Sierra Lake, Research Assistant Clinical and Research Consulting, LLC Missoula, Montana, December 12, 2017.