this is somebody that wanted to joe morrissy in particular. >> in addition to that, joe still had his wedding band on. valuables that if it was a robbery, it would have been taken out of the house. >> what's more, his wife kay was still alive, not stabbed, not even once. they do a brutal vicious murder. why is she alive? >> why indeed. in murders like this, the spouse is often the first suspect, sometimes the only suspect. all of that became clear that night to kay's daughter christina. >> i remember when they took her to the police station and she asked me to stay and watch the house. and i remember sitting there and they would come up and ask me questions, the different detectives and the police officers and, you know, they asked me, you know, did they ever fight? or were they arguing? or was there tension between them? >> absolutely not said christina. >> they never fought. they always were very happy. >> nobody goes through life and never fights. everybody fights. >> i remember they would fight over, you know, him leaving socks on the floor or a wet towel or something like that. b