Often one of the most challenging part of doing a research paper is choosing a workable topic, one that is not too broad or too narrow and answers a significant research question. You can search the Internet for possible topics. However, only you in consultation with your professor can determine what works. The library has a number of useful resources that will hopefully get you started in this search.
Example: What effect does exposure to violence on television have on children?
One of the best places to start your search for a topic is browsing relevant reference books. Its likely that if the subject has been covered (no matter how briefly) in a reference book that you will be able to get enough information for your paper, because the topic is of interest to scholars in that field.
The library has eReference titles. These are print reference books that are available online and keyword searchable. You can still browse them like traditional reference books.
Internet sites with topic ideas:
Your Textbook is a great source for finding topics. What interests you in class readings?
Faculty - consult with faculty in the Criminal Justice Department to get ideas.