Criminal justice client rehabs are available like a significantly better option than time in jail or significant fines for many who have already been convicted of any kind of drug or alcohol related crime. By way of example, a person who has been found guilty of dui of drugs or alcohol may be eligible to obtain treatment services for his or her problem instead of serving time in prison. The judge could even order that the individual receive rehabilitation, either alone or in addition to other sentencing. First time offenders in particular tend to be given the chance to pick a criminal justice client rehab instead of other sentencing, and it is highly recommended they take advantage of it when it is an option. The theory behind criminal justice client rehabs is that it is much more efficient and effective to invest time and energy into rehabilitation than punishment. Much research has been done to observe 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 appear to be quite positive, and criminal justice clients who take part in rehab have a better probability of remaining out of the judicial system following rehabilitation.