The girl's father and uncle were arrested earlier this week for separate crimes. But KENS 5 learned there is a connection.
Two brothers accused of sexual abuse and child pornography are also under investigation for the murders of two women and a child on Karen Lane.
Conrad Ochoa's daughter, 10-year-old Sammy Ochoa and her mother, Rebecca Gonzalez, as well as their roommate, Pamela Wenske were stabbed to death. Their home was set on fire an in attempt to destroy evidence, say investigators.
The affidavit states that Conrad Ochoaallegedly sexually abused his daughter and that Child Protective Services was investigating allegations from more than a year ago. The affidavit also says that his brother, Baron Ochoa, also allegedly sexually abused the child and threatened to kill the mother, Rebecca Gonzales, if the child told.
Police say Ochoa also recorded some of the sex acts. The affidavit says investigators seized a computer and thousands of child porn images.
Both men remain behind bars on$1 million bond each.