taking a bath and also there was blood on a rug under the bed and the bedroom that hadn't been there before. >> forensic testing revealed the blood on the carpet was pam's. it appeared that she left her keys in the door inadvertently and an intruder walked in while pam was in the bathtub. the couple's son was sleeping overnight at a friend's house and couldn't shed any light on what had happened. investigators had to consider whether pam had simply run off. but her mother refused even to consider that possibility. >> i told them, i said i'm sure your next thought is she might have had a boyfriend. i said i give you my word of honor, if she had a boyfriend, i would have known and that would be the first name i would give you. pam never looked at another man. byron was her sweetheart. >> pam's family posted missing