Ruja Ignatova, the flamboyant founder of fake cryptocurrency OneCoin, is the world's most wanted woman. Dubbed the Missing Cryptoqueen, she is on the FBI's Top 10 Most Wanted list after defrauding investors of $4.5billion and then vanishing. Panorama investigates her close ties to a suspected Bulgarian organised crime boss and allegations that she was murdered. . The programme has access to the US special agent in charge of tracking Ignatova down and follows a Bulgarian journalist who has faced death threats trying to get to the truth
