city in ferguson shot and killed michael brown, an unarmed black teen imager. it sparked weeks of protest and a national debate about race and police brutality. we look at what has changed, if anything, since then. >> reporter: a tribute to one of their own. young people came out to mark the anniversary of michael brown's death. this benefit was organized by his father. backstage there was time to reflect on the incident that ended the 18-year-old's life and changed this community. >> i believe ferguson started a fire throughout the whole country. people are going to come out and respond. >> reporter: around ferguson, reminders are everywhere. it was right here that mike brown was shot after being confronted by police for shoplifting. his body lay in the street for hours. now it's a makeshift memorial. a federal investigation cleared the officer involved, darren wilson, if any criminal wrongdoing. but it also found a disturbing pattern of police here where minorities were targeted unfairly for minor violations in order to raise revenues for the city through fin