there had been a witness who contradicted gilley's alibi. >> she identified kyle gilley driving laura salmon's car approximately a half mile from the road that led to the quarry, which led to where laura's body was recovered. she was able to identify kyle through a photo lineup, as well as laura's car through a photo lineup. >> this lady saw him, looked at him closely, she drove by him, and said he was staring straight ahead, just a blank expression on his face. >> and they also discovered that gilley had a propensity for physical violence with girlfriends, particularly laura salmon. >> he would get mad at her, grab her by the head, and start banging her head into cars, school lockers, whatever was at hand. he would punch her. on one occasion, he broke out both of her front teeth. >> another incriminating piece of circumstantial evidence was the pair of men's jeans found at the crime scene. kyle was approximately 6'2" tall, and the jeans would have fit him. >> the tbi lab did examine the wrestler blue jeans in 1984, and they did determine there was some blood on there. however, as to

dence, put kyle gilley at the scene. we've showed that kyle gilley was the killer. without the forensic evidence, there's no conviction. >>> up next a young woman makes a desperate plea for help. >> she was very shook up. >> before vanishing without a trace. >> we need them. >> police think they solved a case until it takes a turn no one expected. >> it's just hard for a lot of people to believe. >> i almost got sick. >> it was the ultimate betrayal. >> oh my god, he's a monster in disguise disguise. >> she got murdered for obeying the law. >>> customers at the men's club in charlotte north carolina could occasionally get a little raucous. but the employees were trained to handle those situations. 26-year-old kim medlin worked there as a waitress the money was good. >> she knew how to handle people. she could defuse a situation very quickly. >> she was beautiful but she was smart about it. >> late one night, as kim drove home from would she encountered a road rage incident with an angry motorist. >> they started passing her, driving closely behind her. blowing the h