Dwayne Frazier was charged with raping the girl last week when he showed a home-made video to police in an attempt to clear his son's name.
Police say they later determined Frazier also filmed his own interaction with the girl.
Son and father face rape charge
CARY The teen had been under investigation since last month when the girl's mother called police to report her daughter had been raped by Strickland-Frazier and his father.
