The star of Lifetime's "Accused: The Karen Read Story," Katie Cassidy; plus, ABC investigative reporter Olivia Rubin shares her analysis of the case that divided the nation. Professor Patricia Eddings from the University of Texas at Arlington joins the students whose work helped lead to an arrest in a case that had gone cold for more than 30 years. And ABC News correspondent John Quiñonez and host of the hit podcast "The Hand in the Window".