Complex sentence: The investigation by local law enforcement officials found no evidence of wrongdoing by the the Overcomer Ministry and the FBI found no reason to believe the woman was not acting of her own free will or that Stair's organization was in violation of federal laws.
Split into simpler sentences: The investigation by local law enforcement officials found no evidence of wrongdoing by the the Overcomer Ministry. The FBI found no reason to believe the woman was not acting of her own free will or that Stair's organization was in violation of federal laws.