if timothy suckow was the hitman in spokane, did he kill kc clarke, too? c's disappearance in north dakota. and? >> 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. >> reporter: meaning, suckow was in the area when k-c 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 carlile's death. >> he just walked into the room was like, "doug's dead." straight-faced, 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-- it seemed fishy to me. it did. but again, you don't, your life's already crumbling. you don't wanna think that your husband could be doing anything like that, you know? >> why didn't you get out of that marriage? >> i was scared of him. you know, everyone wants the fairy tale. everyone wants to be married with