Part 1 of 2: 20/20 presents an investigation into the California "House of Horrors" where 13 siblings were found held captive by their parents.

Part 2 of 2: Children from the Turpin family who were held captive in their LA home discuss how they endured harrowing conditions including starvation & violence and reveal details about their rescue.

Imagine being woken by police to be told not only that your husband is engaged to someone else, but that he is being arrested for that woman's murder. 20/20 looks at the shocking case of James Addie.