class= nosel > that is it for us, thank you so much for watching. remember, if your friends are busy tonight, had a hot date, you and can watch the nightcap tomorrow night, saturday at 11:00. he s turn right here on msnbc. for now i am signing off and on that note i wish you a very good night. from all of our colleagues across the networks of nbc news, thank you for staying up late with me, i will see you tomorrow. i think back and i go, this was such a senseless murder. and why diane? why, when she was ready to start a brand-new life? i will never know that answer. spectacles kept coming. hi diane, it s 2:00, just making sure you are here today. at 2:00 it was too late. simone have killed her. we had her body at the scene, that was all. she had a fiance. they argued a lot. we had our ups and downs, no question. and a coworker with a crush. he was an odd character. i was always very spoiled lead to her. everybody was suspect. then the break. tips from
you re this reborn christian? and you re going to sit here and lie about it? reporter: the truth was at that point police could only prove patterns of behavior. patterns tony insisted he broke when he became a born-again christian. but really? so the detectives set up a little trap and asked him if his fingerprints could possibly be found on a real estate flier. have you ever handled a real estate flier for a house for sale in west austin? no. then your fingerprints shouldn t be on there? correct. reporter: even as tony insisted otherwise, they had already received the test results from the real estate flier saved by that woman. thank you, lord, tony russo s fingerprints were positively on that flier. reporter: what happens in the gut? we knew it was him. we weren t able to put him anywhere. now we had him dead to rights. reporter: true, they had him recently in the home of a woman who had been terrified by his