Treating persons who are addicted and dependent to drugs or alcohol and have ended up in the criminal justice system has proven to be a productive method of preventing repeat drug related criminal offenses for people who do become rehabilitated. For criminal justice clients in Vallejo, California who do partake in alcohol and drug rehab centers, even against one's will as is often ordered by the court, these persons have a significantly better chance at addressing the root of the problem so that they can stay off of drugs 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 impacted beneficially when criminal justice clients become rehabilitated in drug and alcohol rehab facilities in Vallejo, California instead of incarceration or other penalties.