to pick up her 4-month-old daughter. >> a young lady by the name of vanessa little mack was murderedessa, i said, get up. you know, like that. and then she didn't move and she didn't say anything. so i turned the bedroom light on, and i said, oh, god. >> vanessa mack was killed in february of 1994, almost to the day that shawna hawk had been killed a year earlier. >> blood was on her face, and a towel was around her neck. >> her baby daughter, just yards away, was okay. police believe the infant was in the home when her mother was killed. >> vanessa mack was a hospital worker. >> just an honest, hardworking young lady doing the best that she can to provide for her family. >> i don't know why they would have did it, because she was a good girl. she didn't bother nobody. >> vanessa little mack's cause of death was once again ligature strangulation. >> there is a link to previous killings, but police don't seem to notice it at the time. >> vanessa mack had a sister who worked at taco bell. so, again, the correlation of another person working with somebody at a taco bell. >> we started l