MILWAUKEE, WI – AUGUST 14: People gather for a prayer vigil near the BP gas station that was burned after an officer-involved killing August 14, 2016 in Milwaukee, Wisconsin. Angry crowds took to the streets for a second night to protest as people threw rocks and there was gunfire in the crowd. Hundreds of people confronted police after an officer shot and killed a fleeing armed man earlier in the day. (Photo by Darren Hauck/Getty Images)

