Desseration prospects

I would like to develop a research topic and prospectus for my phd desseration in  criminal justice . I would like to research a topic about juvenile justice system or corrections. I would also rather a qualitative study. 
 Link for Sample of outline for prospectus https://www.yumpu.com/en/document/read/50081409/dissertation-prospectus-guide-fletcher-school-of-law-and-diplomacy