i asked him a few times, if you're that miserable, why stay? get a divorce. he wanted to find a way out of getting divorce without having to pay child support. >> the prosecutor put crystal on the stand, of course. then he told the jury bob dukes' way out of his marital dissatisfaction was to shove his wife and child off that cliff and then claim it was an accident and collect the $60,000 in insurance. when that money ran out, said the prosecutor, then bob and his brother concocted the scheme to have their parents killed for their insurance money. bob duke took the stand himself to deny the allegations against him. denied, for example, crystal's story, although he agreed they did hang out together. reporter steve core found his testimony flat, expressionless. >> he came across as arrogant, he came across as not remorseful. >> but the jury apparently had a