the complex posed by praying away the gay by tonya mosley. >> turn around and tell those people "i'm not gay no more, i am delivered." >> reporter: when 21-year-old andrew caldwell stood before the church of god and declared thanks to prayer he was no longer gay, the pastor and the congregation applauded. as the widow went viral caldwell's actions brought to life an example of how some black churches believe it is possible through prayer to homosexuality. >> father, we do thank you and praise you doubt date >> reporter: prayer is at the heart of darrell foster's ministry. he has ministered to thousands of black men and women who no longer want to be gay. >> have you seen measurable growth within yourself? >> sometimes i don't recognise who a. >> who you are, who you were? yes, yes >> reporter: he sits with james, a man who once was gay. he says thanks to foster's ministry he is strait and married with children. do you feel that people can be born gay? >> well, this might be surprising, but yes, i do. i believe people can be born gay because we are all born in sin. homosexuality is a