A woman vanishes, and a mysterious man caught on chilling surveillance footage becomes a key suspect. Uncover the secrets connecting them in "Kassanndra's Secret." Then, join 48 Hours correspondent Natalie Morales and producer Betsy Shuller for a post-mortem that delves into the investigative process, revealing how technological evidence led to the arrest of "The Hat Man" and the discovery of Kassanndra Cantrell's remains. This gripping true crime episode explores the depths of human deception and the relentless pursuit of justice.