then, doug carlisle was murdered out in washington, and trudel began working with detective burberry.an, did he kill clark, too. >> they checked mr. suckow's number at the time against the phone records they had acquired back when mr. clark disappeared and mr. suckow's number was in those records. >> meaning suckow was in the area when casey clark disappeared. sarah, meanwhile, her marriage falling apart, had begun to harbor suspicions about james, and not just his cheating ways. it went back to the day james told her about doug carlisle's death. >> he walked into the room, doug's dead, straight face, nothing. it was the strangest thing ever. >> did you think at the time i wonder if james had something to do with this? >> you know, it seemed fishy to me. it did, but again, your life is already crumbling, you don't want to think your husband could be doing anything like that. >> what did you get out of that marriage? >> i was scared of him, you know. everyone wants the fairy tale, everyone wants to be married with a good life with kids, and it kind of came crashing quickly. >> finally,