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i mean, nici was -- was such a good person. >> the hardest question, always the "why?" the coldest fact, the young woman gone too soon. >>> that's all for now. i'm lester holt. thanks for joining us. >>> the first time i saw her, i thought she was beautiful. we just loved being together. we were always together. i wish i could have been there to protect her. >> i need an ambulance now. my wife! oh my god! >> he was the one who found her. >> my wife is in the shower. she's just laying there! i just didn't know how to handle that. >> his wife, the schoolteacher, murdered. and police were pointing straight at him. >> he was such a nice guy that you would have never guessed that he would've done something like that. >> you think he faked that burglary and killed his wife? >> yes. >> he wanted the house. he wanted her money. and if he divorced her, he lost everything. >> did he do it? hang on. this case had a twist that no one saw coming. >> this woman essentially says, i saw the murderer, and it wasn't tom foley. >> there's a killer. right there. i did not kill my wife! her