Peterson, Jillian: - Jillian Peterson, PhD, is a professor of criminology and criminal justice at Hamline University. She has led large-scale research studies on mental illness and crime, school shootings, and mass violence. James Densley, PhD, is a professor of criminal justice at Metropolitan State University, which is part of the Minnesota State system. He is known for his international work on gangs, criminal networks, violent extremism, and policing. Based in St. Paul, Minnesota, Jillian and James run The Violence Project, a nonpartisan, nonprofit research center known worldwide for its work on mass shooting prevention. The Violence Project has featured in CNN, Fox News, The New York Times, The Washington Post, The Wall Street Journal, and other leading media outlets.