One year after unarmed black teenager Michael Brown was killed by white policeman Darren Wilson in Ferguson, Missouri, protesters have raised their voices to demand justice in five straight days demonstrations. Although the controversy prompted President Obama to announce changes to be made in police forces throughout the country, a rise in the death of unarmed African Americans at the hands of police shows no such changes. Demands against impunity continue. Bianca Perez reports from Washington DC for teleSUR.