No system is foolproof.
http://www.bbc.com/news/world-us-canada-43159509
http://www.bbc.com/news/world-us-canada-43159509
Quote:Arizona couple charged with locking up adopted children
Quote:A couple in Arizona have been charged with locking up their adopted children for up to 12 hours at a time with only a bucket for a toilet.
Benito and Carol Gutierrez are accused of keeping the four children, aged between six and 12, locked in rooms with no light or food.
Police were alerted when one boy left the house in Tucson.
He entered a shop to call a relative, but an employee called police because of concerns about the boy's appearance.