Criminal justice client rehabs can be considered as a far better option than prison time or significant fines for individuals who have already been convicted of any type of alcohol or drug related crime. For example, someone who has been in prison for driving under the influence of drugs or alcohol may qualify to receive rehab services because of their problem instead of serving time in jail. The judge may even order the individual receive treatment, either alone or together with other consequences. First-time offenders specifically will often be given the chance to select a criminal justice client rehab as an alternative to other sentencing, and it is highly recommended that they benefit from it when it is an alternative. The concept behind criminal justice client rehabs is it is much more effective and efficient to invest time and energy into rehabilitation than enforcement of other consequences. Much research has been carried out to find out how effective this method is on recidivism rates, i.e. if the criminal justice client returns or not to criminal justice system following rehabilitation. The signs and indicators seem to be quite positive, and criminal justice clients who do take part in treatment have a better possibility of remaining out of the judicial system following treatment.