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The Structure of Criminal Justice. The phrase criminal justice system refers to a collection of federal, state, and local public agencies that deal with the crime problem. These agencies process suspects, defendants, and convicted offenders and are interdependent insofar as the decisions of one agency affect other agencies.
Certainly, both criminal justice and criminology are related fields of study, but for those pursuing career opportunities in criminal justice or criminology, its important to be able to answer the question, âwhat is the difference between criminal justice and criminology.â.nlike criminology, where the primary focus is on the study and analysis of crime, criminal justice revolves around the societal system(s) set up to address criminal behavior and the perpetrators of crimes.