The Betrayal of Sarah Stern
b'The discovery of a nineteen-year-old\\u2019s car abandoned on a bridge in New Jersey turns into a missing person case that evolves into a months-long homicide investigation. As the case tears apart a Jersey Shore town, police discover a plot involving money, close friends and a fatal betrayal. Keith Morrison reports on the investigation and the extraordinary undercover video that helped solve the crimes. Originally aired on NBC on May 17, 2019.'