What's behind the trial of aid workers in Greece?

More than two dozen aid workers are facing trial on the Greek island of Lesbos for helping migrants reach the country between 2016 and 2018. Their charges include spying and smuggling. Rights groups say the case is politically motivated. So, what's going on? 

Join host Hashem Ahelbarra.

With guests: 

Giorgos Kosmopolous - Senior campaigner at Amnesty international.

Marianna Karakoulaki - Journalist focusing on refugees.

Pieter Cleppe - Editor of Brussels Report.eu.