From Errol Morris, the award-winning director of The Thin Blue Line, comes the provocative and chilling true story of Fred A. Lauchter, Jr., the son of a prison worker and a self-taught execution expert who consulted with prisons across the country to make capital punishment more humane.When Leuchter is called in as a high-profile expert in a sensationalistic Canadian trial, his ego, bravado and absurd testimony reach national media prominence.Soon, a firestorm of controversy erupts.Ironically, what Leuchter thought was going to be an apex in his career only ruins it.