Criminal justice client rehabs can be considered as being a considerably better option than prison time or significant fines for those who have been convicted of any type of alcohol or drug related crime. For example, a person who has been in prison for driving under the influence of drugs or alcohol may qualify for treatment services for problem as opposed to serving time in prison. The judge may even order the individual receive rehabilitation, either alone or in addition to other sentencing. First-time offenders specifically will often be given the opportunity select a criminal justice client rehab rather than other sentencing, and it is highly recommended they take advantage of it if it is an alternative. The theory behind criminal justice client rehabs is that it is much more efficient and effective to invest time and energy into treatment than enforcement of other consequences. Much research has been carried out to discover 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 system following treatment.