After the attack, authorities in Austria learnt that the terrorist had been linked to a high-profile extremist in their country – Martin Sellner.  

The terrorist had given Sellner a sizeable donation, and had visited Austria four months before the attack. So, the question was asked – did Sellner and the terrorist have contact? 

However, the Austrian investigation into the links between the pair was compromised. Joey travels to Vienna to find out what happened. 

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