George Papadopoulos is the first known link between the Trump campaign and Russia.
Just how close was the so-called coffee boy George Papadopoulos to Russian spies offering dirt on Hillary Clinton?
This is the fourth episode of Russia, If You're Listening.
Each week, host Matt Bevan brings the story of a character involved in the investigation.
You can get in touch at russia@abc.net.au.
Subscribe in Apple Podcasts or your favourite podcast app to find out how this story ends.
