Such behavior is not uncommon even in cases of extreme deprivation.
Bailey said if there is a silver lining, it's that the teenager got away and sounded the alarm.
We asked experts in child abuse, psychiatry and psychology how parents are able to turn on their offspring.
David Allen Turpin, accused of holding 13 children captive, appears in court.
The Anderson family, who moved into one of the homes in Fort Worth after David and Louise Turpin lost their home due to foreclosure in 1999, told CBS Dallas-Fort Worth that they found scratches on the doors and floors covered with grime from their previous owners.
While the education department said it was "sickened by this tragedy", it stressed it had no legal power to "approve, monitor, inspect or oversee" the school.
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The NFL said Friday that the Oakland Raiders complied with the "Rooney Rule" when they hired Jon Gruden as head coach. He has been out of coaching since being fired by Tampa Bay after the 2008 season.
No state agency regulates or oversees private schools in California.
Medina says he was disturbed to learn about allegations of what he characterized as "horrific violence" in the home.
Until then, the Turpin parents had essentially forbid family members ever visiting their Murrieta home, even speaking to the children on the home, with the Turpin's even once refusing to give out their physical address when a family relative called to say they had just landed at nearby Los Angeles airport and wanted to "surprise" visit the Turpin's.
Hestrin said the alleged punishments would last weeks or months, and intensified over time. The city's fire marshal, Dave Martinez, did not return repeated phone messages seeking comment.
Betty and James Turpin of Princeton, West Virginia say they were in shock when they learned of the arrest of their son David Turpin and his wife, Louise Turpin this week.
They are, however, subject to an annual inspection by the state or local fire marshal.
Elizabeth Jane Flores tells ABC News' "Good Morning America" that she tried for years to get in touch with her sister, Louise Anna Turpin, but Turpin shut her out.
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While it could detect ovarian cancer 98 percent of the time, it successfully diagnosed breast cancer only 33 percent of the time. Genetic mutations drive the growth of cancer cells, and dying cells shed some of this mutated DNA into the blood .
Riverside County district attorney Mike Hestrin said the children were so badly malnourished and abused that many of them were cognitively impaired. The parents lived apart and would deliver food to the children from time to time.
Her face and name are easy to miss among the hundreds of high school yearbook photos from the early 1980s, and there's nothing to suggest that years later, under a new surname, she would be arrested and charged with her husband for keeping their 13 children in what investigators have dubbed a "house of horrors".
While they are helping our kids meet high standards and preparing them for lives after K-12 that could range from going home to work on the family farm to spending another six or eight years at a university, they are also keeping an eye on the wellbeing of every single student.
One of the victims is age 12 and is the weight of a 7-year-old while the 29-year-old was 82 pounds, he said. None have been to a dentist and they had not seen a doctor in four years, Hestrin said. They discovered the 17-year-old had been planning her escape for two years.
Hestrin explained that the children, ranging in ages from 2 to 29, were starved so much their growth was stunted.
Deputies said some siblings were shackled to furniture in the filthy, foul-smelling conditions. When children were not shackled, they were often locked in rooms. They are being held on $9million bail pending a court appearance. The torture and false imprisonment charges do not include the 2-year-old, who was not malnourished.
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Members of the committees on public safety, military affairs and government operations will be questioning Gov. Ige spokeswoman Cindy McMillan said the governor had to track her down to prepare a message for the public.