that was a golf club. they all said it could have been a golf club. but they also said it could have been other weapon. >> the defense argued detectives should have looked into other suspects too. one person in particular. jim knapp. the man who rented carol's guest house and arrived at the scene almost immediately after deputies. >> why was he a potential suspect in your view? >> well, it's like the guy who lights the fire that comes back to watch it burn. and that was our feeling about mr. knapp. because it wasn't a little bit of evidence that we had on mr. knapp. it was a mountain of evidence on him. >> reporter: knapp, said the defense attorneys, was in serious financial trouble and cooked up a shameless lie to persuade friends to lend him money. they told the jury about how knapp faked cancer. >> he got to the point where he was lying about having active cancer and asking people for financial help so that he could take care of his cancer, which he actually didn't have. >> he didn't have. >> they said knapp desperately wanted to buy a franchise