Andrew Lichtenstein/Getty Images toggle caption Andrew Lichtenstein/Getty Images Shanduke McPhatter, a non-violence activist, talks to a woman who recently lost a relative to gun violence. The peace vigil took place on the block where 10-year-old Justin Wallace was shot to death. Andrew Lichtenstein/Getty Images On a recent summer evening in Queens, New York, several dozen people gathered on the street, where birthday balloons tied to a railing floated in the hot breeze. He was shot and killed June 5, a bystander as a nearby parking dispute erupted. "Where do we go from here? Where do we go from here?" yelled one anti-violence activist into the crowd.