Four years after the 2016's coup attempt, there are still a lot of controversy and lack of clarity over the basic elements of what happened July 15 night, said Ryan Gingeras, a professor at the Department of National Security Affairs at the Naval Postgraduate School and an expert on Turkish, Balkan and Middle East history in a podcast with Ahval's editor-in-chief Yavuz Baydar and Ahval's English Editor Ilhan Tanir.