his name was juan reyes, he worked in stacey's office at a job that she had gotten from. >> you know,. i know that. i am telling you. >> oh, yes! she certainly was. >> stacy and richard on the house that reyes lived in with the family. she met juan for sex at an apartment stacey mounted for that purpose. she paid himself phone bill, and she admitted that she had just taken him to vegas and discussed it as a work trip. >> did juan know that you are supposed to meet richard at the park? >> yes he did. >> how did he know that? >> i had told him. probably, tuesday night -- it was either tuesday or thursday. >> was stacy saying that juan may have been the killer? >> no, i just can't imagine -- i mean, because i've seen enough tv to know that strange things -- you know, things happen. but i can't imagine him doing that. >> but the detective certainly could. >> and so, we start getting some direction. and, we have this unknown set of impressions. so we have a third party at the scene. so, now we have to ask ourselves if it's want, because it was looking pretty good at that point. >> time to