article_snippet: The passengers couldn't have known The passengers, but the co-pilot -- identified as 28-year-old Andreas Lubitz --"manipulated the buttons of the flight monitoring system to activate the descent of The aircraft" while The aircraft's pilot was out, Marseille prosecutor Brice Robin said Thursday.
article_snippet: The aircraft's pilot tried to open the door but couldn't get in.
article_snippet: The aircraft's pilot likely knocked on the door.
article_snippet: Nor did The aircraft's pilot last-ditch attempt, as recounted by a senior French military official involved in the crash investigation to The New York Times.
article_snippet: You can hear The aircraft's pilot is trying to smash the door down," a senior French military official involved in the crash investigation to The New York Times said.
article_snippet: Who was co-pilot Andreas Lubitz?
highlights_snippet: Screams were heard in plane's cabin in minutes before crash, according to audio recording .