As Russia sent troops into Ukraine in February, countries around the world imposed severe sanctions on a group of influential Russian billionaires known as oligarchs.
The intention being to turn the screw on Vladimir Putin’s war finances.
But who are these oligarchs, and how does Putin manage them and their wealth? Through the stories of two prominent businessmen, Roman Abramovich and Mikhail Khodorkovsky, Josh Toussaint-Strauss examines how Putin’s days in the KGB have informed the way he controls his web of oligarchs and their fortunes
