Authorities in Missouri say a couple forced a girl to perform a series of sexual acts over a period of more than a year.

According to a report by the Kansas City Star, 42-year-old Larry Dykes and Alicia Dykes, also 42, were arrested on suspicion of rape. In a court appearance last week, both were charged with multiple criminal counts.

The victim, who was younger than 14 when the alleged abuse began, had been living with the husband and wife in their Strafford home, authorities say. Police reportedly became involved in the case when a friend of the girl shared her claims with authorities.

Court reports detail a number of disturbing examples of the abuse police say the couple inflicted on the now-15-year-old girl.

Larry Dykes allegedly forced the girl to perform oral sex on him frequently, as often as three times per day. He also repeatedly raped her, police believe, as his wife watched.

According to prosecutors, the couple occasionally required the victim to wear a blindfold before they sexually abused her.

Reports indicate Larry Dykes has been charged with 10 counts of statutory sodomy or rape. Officials say additional charges are expected to be added in connection with another alleged victim.

His wife faces three statutory sodomy counts. They were reportedly booked into jail with bond set at $500,000 each.

Webster County Prosecutor Ben Berkstresser said there is no question why Larry and Alicia Dykes kept the girl in their home.

“This couple had this girl as a sex slave,” he said.

[Larry Dykes and Alicia Dykes/Webster County Jail]