Police in Tulsa, Okla., march toward a crowd of demonstrators on June 20, 2020. Brendan Smialowski/AFP via Getty Images June 24, 2020 Teach police nonviolence, scholars say, and how to work with local residents Jennifer Earl, University of Arizona; James J. Nolan, West Virginia University; Jessica Maves Braithwaite, University of Arizona, and Kirssa Cline Ryckman, University of Arizona Scholars who study policing explain what they have found that could help reduce police prejudice and violence.