Criminal justice client rehabs can be considered as being a significantly better option than prison time or significant fines for those who have already been convicted of any kind of alcohol or drug related crime. For instance, a person who has been in prison for driving drunk of alcohol or drugs may be eligible to get rehab services for his or her problem instead of serving time in prison. The judge might even order that the individual receive treatment, either alone or together with other consequences. First time offenders specifically in many cases are given the ability to select a criminal justice client rehab as an alternative to other sentencing, and it is well-advised that they make the most of it if it is a possibility. The theory behind criminal justice client rehabs is that it is much more effective and efficient to invest time and energy into rehab than enforcement of other consequences. Much research has been completed to observe how effective this method is on recidivism rates, i.e. if the individual returns or not to criminal justice system following treatment. The signs and indicators seem quite positive, and criminal justice clients that do experience rehabilitation have a much better chance of remaining out of the judicial system after rehab.