Criminal justice client rehabs are available as a significantly better option than time in jail or significant fines for many who have been convicted of any kind of drug or alcohol related crime. For example, someone who has been in prison for dui of alcohol or drugs may be eligible to obtain rehabilitation services for his or her problem as opposed to serving time in prison. The judge might even order that the individual receive rehabilitation, either alone or as well as other sentencing. First-time offenders specifically tend to be given the opportunity to select a criminal justice client rehab rather than other sentencing, and it is well-advised they take advantage of it if it is an option. The concept behind criminal justice client rehabs is it is much more efficient and effective to invest time and effort into treatment than enforcement of other consequences. Much research has been completed to observe how effective this process is on recidivism rates, i.e. if the individual returns or not to criminal justice system following treatment. The signs and indicators seem to be quite positive, and criminal justice clients that experience treatment have a much better potential for remaining out of the system after rehab.