Casey Joy News Today

im craig melvin, and i natalie morales. and this is dateline yeah >> im freaking out i walk in, and my sisters not there. her doors open, her lights are on, her bans on done everything was horrible. and i felt it. as >> she had been fearless on the frontlines in iraq >> pretty amazing. i saw her as like, a reall strong soldier >> but something about her terrified at home. we >> im scared i dont feel safe. >> a desperate call to police. and then she vanished. when >> something made a pr...

strong soldier. >> but something had her terrified at home. >> im scared. i dont feel safe. >> a desperate call to police. and then she vanished. >> something made her pretty scared. >> yes. >> no way to say what that was. >> right. >> what had happened to this beautiful army sergeant? the question would launch a spellbinding mystery. >> youve got a roommate, a boyfriend who shes maybe about to dump. youve got an ex-boyfriend whos suddenly back in her life. >> there were a number of po...

Called into question. >> thats why we didnt arrest him right away. >> police needed to see exactly what casey joy was doing on those library computers and that would require a very unusual plan. they obtained a search warrant to watch every move made on the computer. this is a recording of caseys actual computer key strokes and mouse clicks. thats casey checking his email. thats casey applying for a job. thats casey typing in how long does it take a body to decay. suspicious maybe but not enough...

? >> >> you tell me those, but i dont know anything about it. >> what blood? >> you tell me. >> he tried backing casey into a corner about what might be found in caseys hard drive. >> well we should be able to help you out with that. >> were hoping hes gonna think to himself everything that theyre gonna see theyre gonna -- >> were swinging and missing regularly and casey joy was willing to talk repeatedly without an attorney. >> three casey. thank you for cooperating with us. >> he says ive seen...

That morning things werent right. >> i got a text from casey, at 10 am, and it said her sister didnt come home. it said>> theyd been roommater more than a year now. k.c. felt protective of maribel. he told lucy he had already called police to report her missing. >> orange police -- >> this is not an emergency. i have a roommate. shes 36 years old, and she didnt come home last night. >> so what i did, i texted her at 11:00. i said, happy friday. because we usually text each other anyways. that wa...

Good man and im sure youll find somebody out there for you but -- >> but its not going to be her. >> yeah. >> now the woman k.c. had told lucy he wanted had told him that not only did she not love him, but he had to basically get out of her life. despite that, k.c. continued talking with police. >> mr. joy was being cooperative. >> he was. >> talking to officers, let you guys take stuff out of the house. >> he did. >> and never showed up with a lawyer. >> he did not. >> it didnt sound like there...

There are things that can be called into question, but theyre not immediately proof of anything. >> exactly, and thats why we didnt arrest him right away. >> police needed to see exactly what k.c. joy was doing on those library computers. that would require a very unusual plan. they obtained a search warrant allowing them to watch in realtime every move made on the computer. this is a recording of k.c.s actual computer keystrokes and mouse clicks. thats k.c. checking his e-mail. thats k.c. apply...

Who had come on too strong, he was in japan. none of them could be connected to marabels disappearance. so in the end, there was just one person the cops couldnt stop looking at: the first person to report marabel missing, her roommate, k.c. joy. >> this is not an emergency, and my roommate is just 36 years old and she didnt come home last night. >> he was also the last to see her alive. >> i felt she most likely was dead. i felt that there was a high probability mr. joy was responsible for it, ...

>> marabel ramos had been left alone in that dusty canyon since before anyone knew she was missing. now ramirez knew it was time for one last meeting with kc joy. >> thanks for coming down voluntarily. i appreciate it. >> youre going to give me ride back to the library, then i dont have to walk. >> ramirez didnt tell k.c. that marabel had been found. he just tried for the final time to get k.c. to be the one who would say what had happened. >> k.c., i think you have the answers in your heart. th...

Joy. >> werent police out to your house recently because you guys had an argument? >> we had been drinking quite a bit. she started in. >> k.c. said it was all just a drunken misunderstanding. i dont like you, im not attracted to you. she started screaming. i said, marabel, we had a great time tonight. whats the problem? >> what was the problem? detective ramirez had heard from marabels family something interesting. k.c. joy had wanted to be more than just roommates with marabel ramos. lucy told...