Police in California are investigating claims two parents tortured their 13 children. 'I wish I could come to you today with information that would explain why this happened,' said Capt Greg Fellows of the Riverside county sheriff’s department on Tuesday. 'If you can imagine being 17 years old and appearing to be a 10-year-old, being chained to a bed, being malnourished, and injuries associated with that, I would call that torture'