Yale Law School Professors Tracey Meares and Tom Tyler are working at the forefront of two issues faced by police across the country: reducing gun violence and improving the legitimacy of law enforcement. Both Meares and Tyler are leading the way in using research and cutting-edge theory in law and social science to create strategies to promote crime reduction, procedural justice, and legitimacy of law. “We’re really concerned with getting law rolled out to the street,” Tyler says. “This is not about abstract legal doctrine.” Hanging on the wall opposite Professor Tracey Meares’s desk is what...