ok, giselle? yes, tia. josh mankiewicz (voiceover): maribel got a dog and rented a two-bedroom apartment in the city of orange, which she shared with a roommate, a quiet chemist named kc joy, who also had a dog. i thought it was a perfect match. he has a dog, she has a dog. he seems quiet. he's not going to have all these people coming over. josh mankiewicz (voiceover): by may 2013, everything seemed great. maribel was leading by example, finishing up her degree in criminal justice at cal state fullerton. giselle was following in her strong footsteps. and she was dropping off money at my house because i had gotten good grades. and she had just got her hair done, dyed and styled, for her graduation. she looked great. yeah. and she was happy. yeah, she was. josh mankiewicz (voiceover): and that's why it made no sense when, just days later, maribel ramos, soldier, student, loving aunt, simply disappeared. craig melvin (voiceover): coming up, what had happened to maribel ramos? nobody had heard from her. nobody