In wake of latest deaths, protesters say to Mayor Rahm Emanuel: 'You failed us before, but now's your time to stand up, or step down.'

Long troubled and tenuous, the relationship between police departments and African-American communities is now toxic, and its repercussions may be most visible in the wounded eyes of black children. Since Brown’s death in August, scores of parents have brought their kids, some barely out of kindergarten, to protests nationwide and sparking discussions with them about racial profiling, police brutality, and the sad, but necessary refrain that “Black Lives Matter.”

A Department of Justice letter sent to the Police Chief Tom Jackson of Ferguson, Missouri on Friday instructed all officers to stop wearing “I Am Darren Wilson” bracelets. Another letter issued on Tuesday ordered members of the police department to wear readable name plates, after officers were seen wearing unidentifiable tags or none at all.