In Marietta, Georgia, a woman's murder shines a light on an unsolved mystery from years earlier. As the connection between the two cases becomes clear, a long-hidden truth surfaces. Could a master manipulator be behind both crimes? Andrea Canning reports.

An elderly socialite is reported missing from her stately New York City brownstone. When Sante Kimes and her son Kenny are arrested, an investigation reveals decades of crime, deception, and murder that captivated the nation.