A woman allegedly stole at least $4 billion, boarded a plane in 2017, and disappeared. Nearly a decade later, the FBI still hasn’t found her. Ruja Ignatova, kn

A woman allegedly stole at least $4 billion, boarded a plane in 2017, and disappeared. Nearly a decade later, the FBI still hasn’t found her. Ruja Ignatova, known as the “Cryptoqueen,” vanished in 2017 after allegedly defrauding investors of billions through her fraudulent cryptocurrency, OneCoin. …