. >> it was almost a month after the murder of ken dolezar.ds still coming to terms with it. >> i think what if? all the fun we could have had if he hadn't been taken. >> until now, the investigation seemed to be going nowhere and then as detective carriger was about to leave, he showed him the photo from the store. >> he said that's chris wright, my neighbor, he lives two floors below. >> his good friend and husband of the irreplaceable bianca. >> this is definitely somebody we want to talk to. >> carriger arrived unannounced and almost before he could ask a question, he said, chris launched into a story about ken dolezar, claimed the man was so paranoid he wanted the man to buy a prepaid cell phone so he could communicate in complete privacy. to carriger the story seemed too reversed. >> covering, trying to account for things we knew. >> i see. odd. then as the interview went on, he said chris' voice began to sound familiar. the voicemail that police believed helped lure ken to his death. >> hey, ken, this is robert. >> to me, that was chris