While there are many different sociological theories about crime, there are four primary perspectives about deviance: Structural Functionalism, Social Strain Typology, Conflict Theory, and Labeling Theory.www.nu.eduSociological Theories of Crime | National UniversityUnderstanding the reasons why people commit crimes and how multiple types of crimes differ from one another can help develop an understanding of the criminal mind. Learn more with National University. Read this article to know more.