on the night of her murder devon guzman got into a fight with her roommate, keary renner. she then drove to the home of her other lover, michelle hetzel. >> i really didn't like keary. i thought michelle was the sweet one. keary was the -- the bad one. >> keary renner, michelle hetzel and her husband, brandon, all denied any involvement in the murder. michelle and brandon admitted that devon paid them a visit around midnight but said she left about an hour later. but based on the forensic evidence, police didn't believe devon ever left the couple's home alive. >> first of all, no one saw her anywhere other than there. that was the last time she was seen, was at that location. >> detective barry golazeski decided to put brandon and