in the neck. >> we had knives that were used from her residence in her murder. so, we had similarities in that weapons were taken from her home and used against her and left at the scene. >> but you had somebody you liked for that. >> the detectives that investigated that case had identified a suspect very early on. somebody who was a family member of hers whom she had had a falling out with. >> and who didn't seem to have any connection with the hunters. >> none whatsoever. >> reporter: there comes a time in every homicide investigation where detectives have to focus on the victim's family and friends. as far as the detectives knew, the hunters were a well respected family. >> anything come out about the hunters that you didn't know? gambling problems? family problems? >> no. there wasn't some gigantic ghost in the closet that made us think, "oh, well, there is our motive right there." nothing like that. >> reporter: since bill and claire hunter were both doctors at creightion, he a pathologist,