she was stressed. >> andrea yates' life had begun to unravel. >> she seemed perfectly fine up until after we had luke, which was our fourth. >> after her fourth child was born, she actually struggled with the thought of killing her child and she made a suicide attempt rather than risk harming her child. >> and there was one psychiatrist who saw her who told her and rusty don't have any more children. you need to stop. >> here we are on our way home. what does that say, boys? congratulations, rusty and andrea. it's boy. giving us a little welcome home. yeah. >> just a year later, the yates were expecting their fifth child.