In discussing criminal justice and criminology, there is a difference between the two fields, however, they are very narrowly related. The disparate criminal justice systems and practices of the 18th century lead to the formation of criminology as a field of study. Criminal justice is the study of the practical or everyday systems that handle crime. These include the police, courts, and corrections. In contrast, criminology is the study of the causes of criminal behavior and society’s responses and reactions to crime and criminal behavior. According to the textbook, Introduction to Criminology, by Hagan (2017), “Although there is considerable overlap between criminology and criminal justice, criminology shows a greater interest in the causal
