FERGUSON, UNITED STATES – AUGUST 17: Police forces intervene protesters, taking streets to protest the killing of Michael Brown although U.S. Missouri State Governor Jay Nixon Saturday declared a curfew and a state of emergency in Ferguson, a suburb of St. Louis, on August 17, 2014. Eighteen-year-old unarmed teen was shot dead by police in the St. Louis suburb of Ferguson, Missouri on August 09, 2014. (Photo by Bilgin Sasmaz/Anadolu Agency/Getty Images)