peggy thomas.n those last, dying days of 2003, russel douglas' family had no idea how large that name would loom for them in the months and years to come. >>> coming up, detectives get a call from a mystery man who says he knows who the killer is, but getting him to talk won't be easy. it sounds like he's afraid for his own life. >> he said if i told you what i know the shooter's going to know that i told you. >> when "a gathering storm" continues. >> when "a gathering storm" continues. just water. lots and lots of water. you wouldn't feed your kids just water, so why starve your plants? feed their hunger and get twice the results. new miracle-gro performance organics. - i like to plan my activities before i take trip, so by the time i get there i can just enjoy the ride. with tripadvisor, it's easy to discover over 100,000 bookable things to do, from walking tours in rome to wine tastings in tuscany, and if you like what you see, you can book it with ease. just another way tripadvisor helps you ma

douglas. >> brenna douglas, the dead man's widow. >> on the stand, brenna identified a picture of peggy thomastogether. in 2003, she said, she rented a house from peggy. >> did you two become close? >> yeah. we'd talk. it was just girl talk stuff. >> did you talk about personal things with her? >> yeah. >> according to brenna, her rocky marriage to russel douglas was among the things she talked to peggy thomas about. >> he had a lot of issues, throwing furniture around and different things and how he treated the kids and i, it just wasn't okay. >> when you and russ went through a separation, is that the sort of thing you might have talked to peggy about? >> they talked to most people about probably too much. >> why did you say that that you talk to people too much. >> are you a person who likes to chat. >> i just chat. >> do you know james huden? >> i met him. >> how is it that you met james huden? >> through peg. it was on that connection to huden and the woman to woman conversations between brenna and peggy that the prosecutor based his theory of the murder. brenna told peggy her husband was