but in may 2013, detective joey ramirez was far from happy.a lot of ground to cover and a strong sense that time was against him as he tried to figure out what had happened to marabel ramos. >> she just vanished. >> yes. >> how often does that kind of thing happen? >> it doesn't happen often. >> ramirez started by investigating the man in marabel's life. it turned out there were a few of them. >> did you know she was doing that online dating? did she talk about that? >> yeah, she did. >> marabel sometimes met guys through a website called plenty of fish. that's how she found paul lopez. they had been dating for a few months and paul had even joined her weekly softball game. lopez was the last person marabel talked to on the phone. now police wanted to talk to him. >> you know, you're not under arrest, anything like that. >> i wouldn't think so. >> ramirez sat across from paul and asked about his relationship with marabel. >> it's been nothing exclusive, it's just been dating. >> you date other people, too? >> me, yeah. >> you don't know if she