suspected they were dealing with the same murderer in both cases, especially when they realized delores dewittgle mom and a nurse, just like karen lofton. but first, they exhausted the usual suspects. delores had an ex husband and an ex girlfriend, but both had solid alibis. >> we had given them polygraph tests. they passed. we did background checks on them. we found out where they were and there was nothing that would lead us to say that they were involved. >> as in the lofton case, when detectives shirts the towards home, they found no sign of a forced entry just an unlocked side window. and inside the house, once again, no forensic evidence. but a different pattern. the killer had taken his victims with him. >> we don't know if they were killed inside the house and transported away, or if they were just transported away and killed elsewhere. >> the burned out nissan maxima that carried the mother and daughters bodies didn't yield any significant clues either. the fire had destroyed everything but a tiny piece of jeans on dolores his body. and attached to the jeans, some leaves foliage exper