Ph.D. Student (History) and Graduate Supervisor Policing and Social Justice HistoryLab. Nicole Navarro’s dissertation research focuses on the urban and political history of policing, education, and housing in late-20th century Washington, D.C. through a comparative multiracial lens. She worked as the graduate supervisor for two digital exhibits produced by undergraduate HistoryLab students, “Detroit Under Fire: Police Violence, Crime Politics, and the Struggle for Racial Justice in the Civil Rights Era” (1957-1973) and “Crackdown: Policing Detroit through the War on Crime, Drugs, and Youth” (1974-1993).