The story of Harper High has been documented by WBEZ’s Linda Lutton and the crew from This American Life. Last year 29 current and recent Harper High School students were shot. But Harper isn’t the only school deeply affected by violence. Elizabeth Dozier is the principal of Fenger High School, and she can often predict which students are going to get shot. She’ll join us in studio, as will Kisha Roberts, probation officer with Cook County. Photo: AP