Criminal justice clients are a large percentage of clientele who take part in drug and alcohol rehabilitation facilities in Lowell and in the USA. Court systems in the U.S. often find it more beneficial to rehabilitate people who have found their way into the court system for crimes relating to drugs, instead of penalizing them to no avail with jail time and other penalties. It has proven more effective to tackle the trouble of drug or alcohol addiction directly, than to invoke such penalties. The majority of individuals who do not wind up in drug and alcohol rehab will often wind back up in the criminal justice system, whilst criminal justice clients in alcohol and drug rehabilitation frequently don't fall back into drug use and have a much better chance at remaining sober and away from the court system for good.