Discovery+ / ID
For years, Louisville, Kentucky native Andrea Knabel volunteered as part of Missing In America (MIA), an organization devoted to finding missing persons. The group claimed an astonishing 98% success rate. Their luck changed when Knabel, a key member of the group, a well-liked, mother of two, vanished into thin air. The four-part docuseries Finding Andrea follows an active missing person case that has turned into a true-life mystery, with numerous theories, hundreds of leads and countless suspects.