. >> in 2016, the georgia supreme court upheld daker's conviction. he tried to take his appeal all the way to the u.s. supreme court, only to be denied review. >> i have no doubt that waseem daker is a cold blooded killer, and justice have been served with his conviction. it does not matter what lottie says. this case is about karmen. this case is about nick. >> that's all for this edition of dateline. i'm natalie morales, thank you for watching. >> i'm craig melvin. >> i'm natalie morales. >> and this is "dateline". >> i really want people to not be afraid and here i am an actor and i'm on "dateline" and i'm telling you my darkest secrets because i think it will help someone and it's okay to talk about it. >> an actress finds real life drama when her sister and her sister's husband disappear. >> they said lesley didn't show up for work. >> lesley's life had seemed perfect but maybe that was an illusion. >> she mentioned going underground. >> yes, she did. >> had something driven her to leave town or had something very different happened? >> the dog