Treating men and women who are addicted and dependent to drugs and have ended up in the criminal justice system has proven effective in eliminating future drug related crimes for individuals that do receive treatment. For criminal justice clients in Walnut, California that do agree to take part in treatment in drug treatment centers, even if not of their own choice as is occasionally ordered by the court, these clients have a far better opportunity of dealing with the root of the problem so that they can stay abstinent and away from being implicated in drug related criminal activity. The costs to the criminal justice system related to these drug related crimes is also impacted positively when criminal justice clients are rehabilitated in drug and alcohol rehabilitation centers in Walnut instead of incarceration or other harsh punishment.