In Part 1 of this series, we explored five foundational schools and theories of criminology from the Enlightenment-era rationalism to the sociological insights of Differential Association Theory. Together, these frameworks revealed a consistent theme: crime is rarely the product of a single cause, but rather the outcome of intersecting biological, psychological, social, and environmental forces.
Part 2 builds on that foundation. The six schools and theories explored in this installment reflect how criminological thought continued to sharpen its focus — turning a critical eye not only toward offenders, but toward the systems, structures, and life circumstances that shape criminal behavior over time. We examine how social labels can inadvertently deepen criminal identity, how strong community bonds serve as powerful deterrents, and how economic inequality and power dynamics influence both the commission of crime and the laws designed to address it. We also explore the gendered dimensions of crime and punishment, the rational calculus behind criminal decision-making, and how developmental turning points across the life course can either pull individuals toward or away from criminal pathways.
Taken together, these frameworks push criminologists, and criminal justice professionals, to think beyond individual behavior and interrogate the broader social architecture that either enables or prevents crime. Whether you work in law enforcement, policy, social services, or are pursuing advanced graduate study, these theories are essential tools for designing responses to crime that are evidence-based, context-aware, and just. They also form a core part of the theoretical foundation of Keiser University’s PhD and DCJ programs, where students are prepared to translate criminological insight into leadership, policy, and meaningful systemic change.
6. Labeling Theory in Criminology
Many criminology theories focus on the factors that lead to criminal behavior. However, the impact of deterrence or punitive strategies on offenders also warrants attention. Labeling theory suggests that the wrong approach could actually exacerbate the very issues that the criminal justice system is intended to resolve.
Primary vs. Secondary Deviance
Primary deviance describes initial rule-breaking, which has a limited impact on self-identity. If, however, those who have committed crimes are labeled as criminals or deviants, they may internalize this messaging, engaging in further criminal behavior that may have otherwise been avoided. Sociologist Edwin Lemert proposed these concepts, explaining that stigma could unintentionally reinforce undesirable behaviors.
Modern Reforms Influenced by Labeling Theory
In response to ideas like labeling theory, juvenile justice systems have increasingly sought to avoid stigmatizing young offenders, especially with terms such as “delinquent.” Research suggests that “promotive relationships with adults running interventions” (such as teachers or coaches) can help young people feel valued and connected, thereby achieving the motivation to change.
7. Social Control Theory
Societal rules and social bonds can act as powerful deterrents. According to social control theory, individuals are less likely to commit crimes when societal safeguards feel strong and meaningful — and when they are consistently reinforced.
Hirschi’s Four Social Bonds
Sociologist and criminologist Travis Hirschi established the foundation of social control theory by describing four social bonds: attachment (deep emotional connections), commitment (investment in widely accepted goals or pursuits), involvement (participation in pro-social groups or activities) and belief (acceptance of widely held values or beliefs). When all four elements are present, individuals are incentivized to engage in desired behaviors.
Crime Prevention Through Family, School and Community
Social control theory claims that crime prevention begins in our communities, with schools and families creating strong bonds that help individuals feel supported. This, in turn, reduces the risk of people feeling compelled to address unmet social or emotional needs through harmful behaviors such as criminal activities.
8. Conflict Theory (Marxist Criminology)
While crime is by no means limited to a specific demographic, research clearly indicates a link between the high concentration of poverty and the high incidence of crime.
Power, Inequality and the Definition of Crime
Conflict theory asks us to question how we define crime and what it can tell us about broader issues involving power and the distribution of wealth. It highlights the ongoing struggle for limited resources, suggesting that laws may be created or enforced in ways that protect the interests of the powerful and disproportionately penalize those with less economic influence.
Marxist Perspectives on Law and Punishment
From a Marxist criminology perspective, laws and punishment are shaped by economic power and class interests. This view suggests that criminal laws often focus more on street-level offenses than on harmful actions by corporations or financial elites. Marxist theorists also argue that prisons can function as tools of social control and that punitive approaches may reinforce class inequalities instead of addressing root causes such as poverty, limited access to education, and lack of economic opportunity.
Modern Justice System Critiques and Reform Movements
Conflict theory proponents believe that the current justice system marginalizes communities via economic consequences (such as bail requirements or fines), along with disproportionate policing that leads to overrepresentation in prisons. Some advocate for changes to cash bail, while others push for expanded access to legal resources and community-based programs that prioritize rehabilitation.
9. Feminist School of Criminology
Exploring the intersection between gender and crime — while also acknowledging the influence of other social factors — feminist criminology seeks to address the often male-centric lens that has long dominated criminology research.
Gender Bias in Crime and Punishment
A wealth of data suggests that women are less likely to be arrested or sentenced than men. This trend spans all age groups and socioeconomic backgrounds. There is some disagreement, however, surrounding why differences exist, with explanations referencing everything from differences in social conditioning to perceived biases in law enforcement. , however, surrounding why differences exist, with explanations referencing everything from differences in social conditioning to perceived biases in law enforcement.
As the Council on Criminal Justice (CCJ) explains, women may sometimes see comparatively more lenient sentencing because they are “perceived as less culpable or threatening due to societal perceptions of femininity.” That being said, incarceration rates have increased considerably in recent years. Ultimately, when crime is viewed as a primarily male problem, the factors contributing to these crimes may not be appropriately addressed.
Gender-Responsive Criminal Justice Policies Today
Criminal justice policies increasingly reflect the many differences in how alleged offenders experience criminal justice and rehabilitation based on their gender. These strategies may incorporate trauma-informed responses or gender-specific programs that address mental health and substance abuse concerns.
10. Rational Choice Theory in Criminology
Closely tied to the school of classical criminology, rational choice theory suggests that offenders make strategic decisions based on their perceived risks and rewards of committing specific crimes.
Cost-Benefit Decision-Making and Crime
According to rational choice theory, every crime is preceded by a careful weighing of factors, with individuals engaged in crime considering possible benefits (such as financial gain) along with risks like social stigma or legal punishments. If risks are high and the likelihood of success seems low, they may be dissuaded from committing crimes, regardless of contributing psychological or sociological factors.
Situational Crime Prevention Strategies
Rational choice theory underscores situational crime prevention (SCP), which shifts the focus from the individuals who commit specific acts to the settings that make it easier or more difficult for people to engage in criminal activities. Relevant strategies involve access control, surveillance, or designs that intentionally limit temptations.
11. Routine Activity Theory
While many of the previously discussed criminological theories describe who is more likely to commit crimes or why, routine activity theory brings multiple elements together to provide a more well-rounded explanation.
What Is Routine Activity Theory in Criminology?
Routine activity theory suggests that anybody could potentially become a criminal offender if the opportunity were to arise. Lawrence Cohen and Marcus Felson developed this theory to explain the situational components of crime. It now plays heavily in loss prevention strategies, which help minimize situations in which offenders have the ability to engage in criminal activities undetected.
Elements of a Criminal Event: Opportunity, Guardianship and Crime
According to routine activity theory, three core elements must come together for crime to occur: there must be a motivated offender, a vulnerable target, and a lack of security or supervision. If any one of these elements is lacking, criminal behavior becomes less likely.
12. Life-Course Criminology
Research suggests a profound influence of age or developmental stage on criminal activity, as seen in the oft-discussed age-crime curve. Younger individuals are more inclined to commit crimes when they lack supportive social structures. Life-course criminology seeks to better understand how certain turning points can make criminal activity more or less likely.
Criminal Pathways Across the Lifespan
The sequencing of life events can have a considerable impact on individuals’ involvement in criminal behavior, with positive events (such as getting married or graduating from high school or college) reducing the likelihood of crime. Meanwhile, other situations (such as prolonged unemployment) could reinforce the perceived desirability of criminal pathways.
Onset, Persistence and Desistance from Crime
Life-course criminology describes specific developmental periods in which criminal behavior is more likely to occur, along with how these periods can establish patterns that influence later criminal behavior (or lack thereof). This emphasizes the need to pursue desistance from crime while also preventing crimes during vulnerable periods.
Put Criminological Theory into Practice and Lead the Change
The schools and theories explored across both parts of this series make one thing clear: addressing crime effectively requires more than instinct or experience. It demands a rigorous, evidence-based understanding of the systems, structures, and social forces that shape criminal behavior and justice outcomes.
Whether you are looking to advance your career in policy, research, administration, or community leadership, Keiser University offers graduate programs designed to translate criminological knowledge into real-world impact. Transform understanding into action with Keiser’s Master of Arts in Criminal Justice (MACJ) program or Doctorate of Criminal Justice. You can even contribute to the field’s body of knowledge by seeking a Doctor of Philosophy in Criminal Justice. We also offer accessible interdisciplinary options that can help expand your career opportunities.
Ready to take the next step? Connect with a graduate a graduate admissions counselor to explore your options and learn more about finding the right graduate program for your goals.
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About the Contributing Author: Dr. Frederick W. Turner II University Department Chair/Program Director – Criminal Justice & Homeland Security 20+ years of combined experience in academia & military |
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| Dr. Turner is the Chair and Professor of Criminal Justice and Homeland Security at Keiser University’s Graduate School in Fort Lauderdale, FL. He holds a Ph.D. in Criminal Justice and a Doctor of Public Administration, with research interests including police militarization, homeland security, public administration, border security, and transnational crime. | ||
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After experiencing profound personal loss, Sydney Nau found her purpose in nursing. Today, she leads with compassion while advancing her education and transforming lives through patient-centered care.