picture, being dead, as opposed to just divorcing her, he avoids paying alimony, child support, and adding further financial woe to his particular situation. so, i mean, the motives were the oldest ones in the world, money and women, and he had both of them. >> with $500,000 worth of life insurance on sandy, prosecutors think david duyst chose murder over divorce. they believe the first attempt on sandy's life took place in the horse stable. sandy's letter said david hit her on the back of her head with an ax hammer, but she survived those injuries and covered up the incident. 18 months later, with david and