Turpin captivity case

David and Louise Turpin appear in court
David and Louise Turpin pleaded not guilty to charges of torture, abuse and false imprisonment.
Shackled siblings: What we know about their lives
Chained to beds and beaten as punishment, the couple's children hatched an escape plan over years.
Turpin case: 'Chains and padlocks used on siblings'
The charges against California couple David and Louise Turpin include torture and child abuse.