Interview with Fake Witness at Brussels Airport

https://m.youtube.com/watch?v=TCh7S1EeaV0

Question:  What do YOU think this "Alexandre" does for a living?   Are these the types of questions the ordinary nobody would expect to be asked on a national news network?  And just how did they find such a knowledgable person - an American, no less - just a "few hours" after the explosions??