In the area of victimization, you can choose topics that center on links between crime and aggression, crime and employment, crime and citizenship, crime and education, gender, immigration, guns, religion, race, ethnicity and many other sectors. You can also get wonderful criminal justice research proposal topics in areas of crime theory, and here, you look at choice theories, deterrence, strain, social learning, self-control and many other theories. If you choose to focus on background work, you can choose topics that center on ways to map out crimes, crime reports, and types of crimes. Others are a crime scene, the field works, and many others. You can choose to center your criminal justice research proposal topics on justice itself, and here, you have to look at drug courts, delinquency programs, racial profiling, wrongful convictions, juvenile courts and many other areas.