Well she’s definitely not alive, so that’s not going to be it. She was declared dead in 2002, and there was good reason for that. Scott Peterson’s reason for killing was similar to that of other family annihilators. The psychology isn’t the same as that of a serial killer, who kills for gratification. An arrest after this length of time, would bring about a great deal of media attention. The family needs to be prepared for that, or the recovery of her body.