As the nephew of televangelist Benny Hinn, Costi Hinn grew up inside the prosperity gospel and Word of Faith world. In 2013, while preparing to preach on Jesus’ healing of a man at the pool of Bethesda, he studied a John MacArthur commentary, and the faith-healing formula he had believed and preached for years began to unravel. By 2017, he was publicly repudiating the prosperity gospel and embracing Reformed theology.Today he is the teaching pas…