ron holthaus. >> i just want to ask straight-up again, not accusing you, do you know where stephanie he and stephanie had a romantic relationship but he denied the other slept together. >> we never ended up having sex. >> and ron told them something very interesting. that he had ended the affair. it was the night she moved into the condo, she took he told them. he said to stephanie, it was over. >> and i said i'm going to move to florida with my wife. we are going to try to go back to naples and make this work. >> do you have any reason to believe that anything bad may have happened to her? >> that would be my worst fear. >> thanksgiving day came, went, no stephanie. and overstretched local police force called the colorado bureau of investigations. greg saidar was the one who answered the call. he was soon at the river and start at what looked like a lump of snow and rocks. >> you could see the body underneath the snow. >> it was stephanie, hole right. but how did she end up here? the >> dateline returns after the break. learn more at ring.com. c'mon, we're right there. c'mon baby. le