<p>With the FBI offering a $5m reward for Dr Ruja, her fame reaches new heights. And so does our search for her, with new clues pointing us to Cape Town, South Africa.</p><p>Featuring footage from: Aron Hyman/The Cape of Cocaine podcast, Heart FM, TikTok/Coolstorybru, The Hunt, documentary series: Die Kryptoqueen - ARD/arte/WDR, Novinite Nova.</p>