Job duties differ by employer and function. The criminal justice field can provide solid, lucrative, and rewarding opportunities in a wide range of career paths in both the government and private sectors. In general, the criminal justice system ensures that laws are upheld, and criminals are fairly judged and sentenced for their crimes. The criminal justice system consists of law enforcement, the court system, and corrections facilities. Consequently, the criminal justice system is ripe with many examples of employment opportunities for persons with criminal justice degrees and can lead to a wide array of work responsibilities that help the criminal justice system function.