Housekeeper testifies at Utah mom murder trial. Sister seeks answers in shootout. Plus, photo lineups.

In Utah, the murder trial of mom of three Kouri Richins enters its second week. Richins' former housekeeper testifies about buying drugs for Kouri before Eric Richins' death. She says Kouri asked for something "stronger". In South Carolina, Scott Spivey's shooting death comes under review by a judge. One of the men who shot Spivey testifies. In Dateline Round Up, the latest on the murder trials of Michigan farmer Dale Warner, and former Miami Hurricanes player, Rashaun Jones. Plus, a veteran police chief gives his tips on photo lineups. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com