Rehabbing persons who are addicted and dependent to drugs and have ended up in the criminal justice system has proven effective in curbing repeat drug related criminal offenses for individuals that do receive treatment. For criminal justice clients in Portland who do take part in in drug rehab centers, even against one's will as is occasionally court ordered, these individuals have a much better opportunity of addressing the crux of the problem so that they can stay sober and off of the streets drug related criminal activity. The costs to the criminal justice system having to do with these drug related offenses is also affected positively when criminal justice clients turn out to be helped in drug rehab programs in Portland instead of jail time or other penalties.