to those in ringgold who knew alvin ridley as "crazy alvin," the news came as no surprise. >> everybody thought he killed his wife back in the '60s or early '70s. there was even talk that he killed her a long, long time ago. >> i think they checked a 50 to 100-mile radius. no doctor, no physician, no pharmacy, no hospital. this girl had not been anywhere in 30 years. >> the town of ringgold was gearing up for the biggest trial in its history, and investigators were in for another surprise when alvin ridley gave his explanation for how his wife died. >>> trixie lecroy regularly in our house, we do just about everything online. and our old internet just wasn't cutting it. so i switched us from u-verse to xfinity. they have the fastest, most reliable internet. which is perfect for me, because i think everything should just work. works? works. works! works? works. works. >>> trixie lecroy regularly visits the grave of her sister, a woman with whom she has more contact in death than she did in life. that's because trixie and the rest of her family hadn't seen virginia at all during the 30 ye