WGBH Yes, ‘S-Town’ is voyeuristic. It’s also a brilliantly insightful look at the human condition John B. McLemore, the brilliant, mentally ill protagonist of “S-Town,” may not have been entirely aware of what he was in for the day that he convinced Reed to investigate a murder that turned out not to have taken place. But McLemore never seems not to be in control of his own story — even […]