Lufthansa's CEO announced in the early days following the crash that pilot Lubitz was "100 percent" fit to fly. Kulish and Clark point to the denial at Lufthansa and some other airlines about the need for airlines to have a clear understanding about the psychological condition of pilots. This exceptional report with contributions by a team of NYT reporters tells the story of Lubitz and the airline industry's lack of effective screening. The lack of systematic screening of pilots for psychological issues was raised by the UN's Civil Aviation Organization in 2012, and by the European Commission's Aviation Safety Agency focussing on strict data protection rules with Germany in November 2014. A culture of privacy in Germany following the experience of pervasive intrusions into privacy by the Nazis and the Soviet backed GDR government in East Germany, and strict data protection rules, create a special situation in Germany of being reluctant to pass on information or delve into personal records. The head of Lufthansa's department of aviation psychology, says he would not have accepted the pilot Lubitz if he had known about his medical problems of depression before or during the training period....