Samaria Rice (C), mother of Tamir Rice, 12, who was shot and killed by a Cleveland police officer, speaks with Reverend Al Sharpton (L) during the "Justice For All" march in Washington, DC, December 13, 2014. Thousands of people descended on Washington to demand justice Saturday for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States. AFP PHOTO/JIM WATSON (Photo credit should read JIM WATSON/AFP via Getty Images)
