3. Agents on the doorstep

The net tightens on the Jabber Zeus crew. Police and intelligence services across borders are poised to synchronise raids, but cops in London are thrown a last-minute curveball that could see the whole operation implode. Meanwhile, tales of Tank’s past emerge - and his former life as club DJ Slava Rich. But as FBI agents working in Ukraine brace to break down doors and make arrests, are the hackers already aware of what’s coming?

Hosted by Joe Tidy, the BBC’s cyber correspondent – one of the few Western journalists to have met an alleged member of Evil Corp – and the BBC’s Eastern and Southern Europe correspondent Sarah Rainsford, who spent more than two decades reporting from Moscow.