The brothers and sisters are now being treated for severe malnutrition.
A law enforcement official told NBC News that the 13 siblings rescued in California over the weekend were only fed one rationed meal a day. That official also told NBC News that the brothers and sisters were only allowed to shower twice a year.
A 17-year-old girl escaped from her Perris, California home to report horrific abuse that she and her 12 siblings were allegedly enduring on Sunday. Police then rescued her siblings.
All 13 victims are currently being treated in a hospital for severe malnutrition. They are so weak that doctors have reportedly worried about them going into shock. They are now receiving antibiotics, vitamins and nutrients, according to the law enforcement official.
David Allen Turpin, 57, and his wife, Louisa Anna Turpin, 49, now face potential torture and child endangerment charges. It is unclear if they have attorneys who can speak on their behalf.
David's mother has defended him to the media, stating that the couple was a "highly respectable family," in an interview with CNN.