Treating persons who are addicted and dependent to drugs and/or alcohol and have landed somewhere in the criminal justice system has proven to be effective in preventing future drug related offenses for individuals that do receive treatment. For criminal justice clients in Tanana, Alaska who do take part in in drug and alcohol rehab centers, even if not of their own choice as is occasionally court ordered, these clients have a much better shot of dealing with the crux of the problem so that they can remain abstinent and away from negative influences and [[[committing drug related criminal activity. The costs to the criminal justice system associated with these drug related criminal offenses is also affected beneficially when criminal justice clients turn out to be rehabbed in drug and alcohol treatment programs in Tanana, Alaska instead of jail time or other penalties.