Criminal justice client rehabs can be considered being a far better option than jail time or heavy fines for those who have already been convicted of any sort of drug or alcohol related crime. For example, someone who has been in prison for dui of drugs or alcohol may qualify for rehabilitation services because of their problem as opposed to serving time in jail. The judge could even order that the individual receive treatment, either alone or together with other sentencing. New offenders specifically tend to be given the opportunity go with a criminal justice client rehab as an alternative to other sentencing, and it is highly recommended that they make the most of it if it is an alternative. The theory behind criminal justice client rehabs is that it is much more effective and efficient to invest effort and time into rehabilitation than enforcement of other consequences. Much research has been completed to observe how effective this strategy is on recidivism rates, i.e. if the criminal justice client 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 better chance of remaining out of the system following treatment.