Transcripts for MSNBC Dateline 20200907 06:11:15 archive.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from archive.org Daily Mail and Mail on Sunday newspapers.
explanation as to what happened. you re the only one that can tell me. i know and i m telling you the truth! ashley, i don t believe you, honey. i know. i don t believe you. i know! i don t believe you. you cut her. you stabbed her, didn t you? no, i did not. yeah, you did. i just need to know why you did it. i did not kill her. yeah, you did, i can prove you did it. something made you snap. i didn t hurt her. i m looking you straight in the eye, sir. nobody else could have did it, nobody else could have did it. nobody! this looks terrible for you. i know it does. this looks terrible, terrible, terrible for you. reporter: no, detective ellzey did not go easy on shelley s roommate. but there was a murder to solve. and the first day of an investigation is crucial. time to bring in the boyfriend. coming up shelley had been stabbed to death, and guess what they re about to find at her boyfriend s place? what a collection he had.
he you know, he was he was that kinda he was that guy that a lot of people knew. and he would walk into, say, the student lounge, and other everybody would be like, hey, it s daniel, you know. reporter: hmm, nice guy? yeah, very nice guy. a nice guy who was telling detective ellzey he was troubled about nathan. and then, when the detective dug a little deeper among other people who knew nathan, he began to hear a different take on the kid who was supposedly too shy to kiss his girlfriend. some people would describe him as a little bitty, scrawny kid, kind of introverted who just lived and breathed his artwork. other people would say, the guy had a temper. ashley said she d heard the same thing. one of my friends would say just like you know, i would never want to see nathan angry and i asked him, why? and they said, have you ever seen him play a video game? because he just kind of pops if he doesn t get something. then the police searched nathan s bedroo
reporter: they finally arrived at the same conclusion the dallas police did that neither ashley nor nathan killed shelley. had to be daniel and daniel alone. but making the case in court might not be so easy. this is one of those cases where circumstantial is is kind. i mean, you had no fingerprints, you had no dna, you had no bloody clothes on the suspect, you had right. you had no incriminating statements really, just some sort of weird stuff, but right. yeah. it s a you have tough case. reporter: question was, could they make the case or would a jury believe they d reached the wrong conclusion? coming up motive it s been tricky to pin down in this case. but in court, prosecutors present jurors with a theory of everything. that s why this whole thing happened. reporter: when dateline continues. ues.
when did you see that? when i was leaving for school. when? what day? today. and you still didn t, didn t even think to knock on the door no, sir. to say, hey, shelley, you cut yourself? you hurt? you injured? you need something? that s weird, man. i know it is. i m telling you everything i know. i mean, shelley was my roommate. she was my friend. she is my friend. we went to school together, sir. there is no reason why i would harm her. i really believe that something terrible happened between you and shelley that you re not telling me. reporter: thing is, there was no forced entry. whoever killed shelley had a key. you know, when i talked to ashley i wasn t the nicest guy in the world. you know, i i dug into her pretty hard, especially when i i found out there s no forced entry. ashley had a key. i need to know what happened. i i have to have an