Disappeared - Season 6 Episode 10 Girl Interrupted
Overview: When recent college graduate Jennifer Kesse doesn't show up for work, her friends and family know something is wrong. Their worst fears are realized after her car is found empty and abandoned a mile from her apartment. Police immediately investigate the dozens of construction workers who are building Kesse's apartment complex at that time, however no clear suspect emerges. Surveillance footage of someone driving her car is recovered but, frustratingly, police are unable to identify the suspect. Almost a decade later, this mysterious case continues to baffle law enforcement and haunt her family.