so all of a sudden this was something that batten rouge hadn't dealt with before. >> two months earlier, charlotte murray pace a graduate student at louisiana state university had been sexually assaulted and killed in her apartment. >> she was stabbed 81 times. her throat was cut. she was missing part of her ear. it was very violent, horrible attack. >> all the people, all the women in the world, he picked murray. why? i'd give anything to know why. and i don't know if you can know why because i wonder if he could articulate why if he knows why himself? >> like pam kinamore's case, there were no signs of forced entry. >> this person was absolutely vicious. >> also in that same neighborhood gina green, a nurse, was sexually assaulted and murdered in her home.