When Detectives Flynn and Sykes visit the victim's ex-boyfriend Felix at the gym, the guy with Felix informs them that he is Felix's trainer and was with him that morning. After the three of them walk away from Felix, Det. Flynn asks the trainer how long his "brother" dated Christa. At no time did the trainer mention Felix was his brother prior to Det. Flynn asking him the question. Det. Flynn shouldn't have known he was his brother yet.