Rehabilitating persons who are addicted and dependent to drugs and/or alcohol and have found their way into the criminal justice system has proven a productive method of preventing future drug related criminal offenses those offenders who do become rehabilitated. For criminal justice clients in San Francisco, CA. who do take part in in drug treatment facilities, even if not of their own choice as is often ordered by the court, these individuals have a significantly better opportunity of addressing the crux of the issue so that they can stay off of drugs and off of being implicated in drug related criminal acts. The costs to the criminal justice system associated with these drug related crimes is also impacted positively when criminal justice clients turn out to be rehabilitated in drug and alcohol rehab centers in San Francisco, California instead of incarceration or other harsh punishment.