A few days after the rioting began in Ferguson, Missouri, earlier this month, Damon Lynch III and Iris Roley flew down from Cincinnati with a document they believed could help bring peace. Lynch, a pastor, and Roley, a small business owner, had been leading voices against Cincinnati police in 2001, when an officer’s shooting of an unarmed young black man triggered riots there. The activists felt a duty to share the story of how their divided city healed itself and became a model for community-police relations. They brought with them a copy of a historic agreement between the Cincinnati police and local civil rights groups that served as the framework for an arduous reform process. Click through to read more about the agreement.