Criminal justice client rehabs are available as a significantly better option than prison time or significant fines for those who have already been convicted of any sort of drug or alcohol related crime. For example, somebody who has been found guilty of driving under the influence of drugs or alcohol may be eligible for rehabilitation services for their problem instead of serving time in jail. The judge might order that the individual receive rehabilitation, either alone or as well as other sentencing. First time offenders in particular will often be given the opportunity to pick a criminal justice client rehab as an alternative to other sentencing, and it is well-advised they make the most of it when it is an option. The idea behind criminal justice client rehabs is that it is much more effective and efficient to invest commitment into rehab than punishment. Much research has been carried out to discover how effective this process is on recidivism rates, i.e. if the individual returns or not to criminal justice system following rehabilitation. The signs and indicators seem to be quite positive, and criminal justice clients who do experience rehab have a better probability of remaining out of the system after treatment.