The Killings of Tanya and Jay

Without genetic genealogy, would we know who killed Tanya and Jay? No. I know that my DNA played a big part in that. What's been a learning curve, this was all brand new. It's the web of matches. It's putting those puzzle pieces together little by little. Meet Jill Evans - she can never seem to get things right when it comes to love. And then along comes Dean... But on Halloween night, things get a little gruesome.