This women killed her kids because they were getting in the way of her latest fling. She basically has no concience and feels no remorse.
Check out Martha Stouts “The Sociopath next door”
http://www.amazon.com/Sociopath-Next-Door-Martha-Stout/dp/076791581X
This book is a real eye opener. People like her and Manson are all around us. 1 out of 25.
Sounds a lot like Susan Smith.