Talking Dateline: A Promise to Gloria

Josh Mankiewicz talks with Andrea Canning about her latest Dateline episode, “A Promise to Gloria.” In 1984,  Yvonne Pointer vowed to track down the killer of her 14-year-old daughter,  Gloria, who was murdered on her morning walk to school. Andrea tells Josh why Yvonne’s 30-year search for truth has made such an impression on her and what Yvonne is doing now to protect other young people from harm.