He was a healthy 15-year-old boy living in St. Louis, wasn’t in a gang, got good grades and stayed out of trouble. But violence swirled around him, and the teen was so fearful of being shot that he contemplated suicide, with the thought of ending life on his own terms. Less than a year later, his fears came true. He was murdered. That was in 2009, and his death was a crystalizing moment for Margie Batek, the supervisor of social work at St. Louis Children’s Hospital.