A demonstrator is thrown to the ground by her hair during a march following a vigil held for Kimani "Kiki" Gray in the East Flatbush neighborhood of New York's Brooklyn borough, Wednesday, March 13, 2013, in New York. According to the NYPD, the teen pointed a .38-caliber revolver at the plainclothes officers, who responded by shooting him to death. (AP Photo/John Minchillo) less