In your introduction, you must identify the criminal justice issue that is: "How social media affects the mental health of minors ages 13 - 17"

 In 2000 or more words Mandatory, here is where you will include key sections (identified with headings and subheadings), such as 

1. Statement of the Problem,
2. Significance of the Problem,
3. Purpose of the Study,
4. Research Questions driving your proposed research OR the Hypotheses (and null-hypotheses) you want to test with your research
5. Delimitations of your Study (this serves as the fence showing the reader how far your focus goes and how it will not "boil the ocean")
6. Conclusion (not the conclusion of your proposed study, but the high points demonstrating the imminent need for the issue you are interested in researching.