I was using my boots to move leaves. And thats when i screamed this blood curdling scream. Craig melvin nique leili, a corporate exec who made time for romance and her three daughters. She was the best mom. Craig melvin then she disappeared. Dozens joined the search. We need nique to come home. Craig melvin then they found her. Oh, i need to see her. No, you cant, you cant, baby. Craig melvin launching a mystery that would divide this family. I suspected him from the beginning. Craig melvin one daughter thought her step dad matt did it. Launching a mystery that would divide this family. One daughter thought her stepdad, matt did it. The others said no way. And matt . He had a theory all his own. Not the first time shes runaway, okay . Now youre thinking, somebody gave her a roofie . Thats a possibility. There is a server tower that would indicate a large amount of data being stored. What would they discover in thousands of our of tape . It is a torture to listen to. And would reveal on
found dead. the uniformed guys told me that he at one point seemed like he got sick. reporter: he may well have been sick. sick of talking to the cops because by now he s lawyered up and wasn t answering any of their questions. so you now have probable cause to get a search warrant. correct. reporter: do you think this is going to help us? maybe these cameras saw and recorded something that tells the story. that was my hope. we re mainly going for anything in the house that has any sort of memory, be it computers, be it, you know, he had a dvr hooked up to his system. reporter: the detective knew it would take time to review and catalog all of that material. is since the police had found no sign of blood or any signs of struggle in the house the detective reviewed the evidence he did have, particularly matt s claim that his wife was bankers. are new of her family members
prosecutor let nikki have the last word. you need to listen to what she says and what she lived. welcome to my world. you killed me a long time ago. welcome to my world. you killed me a long time ago. find him guilty. because that s exactly what he is. coming up, as the prosecution really proved anything? i think their gut feeling was she was buried this close to the house, it s got to be him. it s what you call a circumstantial case. and then the daughters say in their parents marriage matt was the victim. she took a heel and threw it and i myself had to duck from it. was it being thrown at your head? yes. when dateline extra continues. using 60,000 points from my chase ink card
case arguing. reporter: nikki s murder she claimed was simply matt s final act of control. i think they got into an argument, that he wanted to have sex. that he drugs her. that she s not able to resist as much as it progresses that sesilences, he asphyxiates her where she can t breathe. reporter: not meaning to maybe. i think he meant to. i think she knew that she was leaving him. she made it clear she was done. reporter: the state s first witness was nikki s oldest daughter alex. he would end up locking her in a bathroom. she d been shoved downstairs, there were several nights that i would lay up at night and listen to her say please get off of me, get off of me, you re hurting me. reporter: next nikki s sister amy told the jury about the constant monitoring at the house. we knew he would record phone
continuing episode that my wife has. correct. reporter: many this telephone call which the detective recorded matt said his wife was mentally unbalanced. she s not very happy with her life. she never felt accepted. okay? we ve been in and out of therapists. there s a fear of intimacy. she s got no problem with girls but when it comes to a male they re a threat. they are all my life guys have used me for sex. reporter: he s giving you a hose full of information? i have ha hard time getting a word in edge wise. all i m doing is please stop. do you remember what the doctor said? is this the the person you want to be. reporter: he even said he considered getting a court order. i ve got pictures of myself with bruises on me. my father was a witness for her throwing a knife at my face. i m 250 pounds.