How mysterious friends in influential places may have helped Ruja stay one step ahead. A massive revelation we only now know, but which Ruja knew years earlier.

Who are they? And could they be helping her now?

CREDITSPresenter: Jamie BartlettProducers: Rob Byrne and Georgia CattOriginal music and sound design: Phil ChannellOriginal music and vocals: Dessislava Stefanova and the London Bulgarian ChoirStudio Engineer: Giles AspenSeries Editor: Philip SellarsCommissioner: Dylan HaskinsThe Missing Cryptoqueen is a BBC Documentaries production for BBC Sounds and BBC 5Live