While we’ve covered a number of missing-person cases, almost always, the last time the victim is seen is also the last time they’re heard from. However, that wasn’t the case with Frauke Liebs, who disappeared in June 2006, after watching a World Cup game with her friends at a bar in Paderborn, Germany. Over the next several days, her friends and family would receive cryptic calls from Frauke, each time claiming she was headed home. Years later, following the strange communications, unknown movements, and a potential connection to two of Germany’s most prolific serial killers, the question remains: What happened to Frauke Liebs?