The man has been identified as a 23-year-old black man who testified during the grand jury proceedings over the killing of Michael Brown by former police officer Darren Wilson. Another witness of the shooting of Michael Brown has been found dead in a dry channel near River Des Peres in Misssouri, local authorities confirmed. The man has been identified as 23-year-old Shawn Gray, a black man who testified during the grand jury proceedings over the killing of Brown by former police officer Darren Wilson. According to relatives and friends, Gray was last seen leaving a restaurant on Thanksgiving Day. The...