Criminal justice client rehabs are available as being a significantly better option than time in jail or significant fines for many who have already been convicted of any kind of alcohol or drug related crime. For example, anyone who has been found guilty of dui of alcohol or drugs may be eligible for rehabilitation services for problem instead of serving time in prison. The judge may even order that the individual receive rehabilitation, either alone or in addition to other consequences. First time offenders specifically in many cases are given the ability to choose a criminal justice client rehab rather than other sentencing, and it is highly recommended they take advantage of it when it is an option. The theory behind criminal justice client rehabs is that it is much more efficient and effective to invest commitment into rehabilitation than enforcement of other consequences. Much research has been completed to find out how effective this approach is on recidivism rates, i.e. if the criminal justice client returns or not to criminal justice system following rehabilitation. All indicators seem to be quite positive, and criminal justice clients that do take part in rehab have better chance of remaining out of the system following rehabilitation.