spending her house arrest in her father's home, that old vw, the one that they allegedly carried off david's body is still parked outside. her day is surrounded by the still parked outside. >> that's all for this edition of "dateline." i'm craig melvin. thank you for watching. i'm craig melvin. >> and i'm natalie morales. and this is "dateline." i said, did you ever contemplate committing the perfect murder? and he said yes. the key element to that is making sure that someone is caught. once i have somebody, they'll stop looking, and that's how you can get away. a cold blooded killing. a victim worth millions. and all kind of conflicting clues. >> i never had a case this complicated before.