A 15-year-old Tulsa girl informs school employees a relative had been sexually abusing her for years.
Police say 63-year-old Don Dwight Leonard was arrested on Wednesday.
He confessed to officers he had molested the teen since she was 10. Police say he also confessed to taking 15 nude pictures of the victim in sexual positions.
Leonard remains in the Tulsa County Jail on a single count of sexual abuse of a minor child.
The victim and a sibling were both taken into protective custody.