Criminal justice client rehabs are available as being a far better option than prison time or significant fines for those who have been convicted of any sort of drug or alcohol related crime. For example, anyone who has been in prison for driving under the influence of drugs or alcohol may be eligible to obtain rehabilitation services for his or her problem as opposed to serving time in prison. The judge may even order the individual receive rehabilitation, either alone or along with other sentencing. New offenders in particular in many cases are given the chance to choose a criminal justice client rehab as opposed to other sentencing, and it is highly recommended that they benefit from it if it's a choice. The theory behind criminal justice client rehabs is it is far more effective and efficient 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 individual returns or not to criminal justice system following treatment. The signs and indicators seem to be quite positive, and criminal justice clients who do take part in rehabilitation have better chance of remaining out of the system following rehab.