article_snippet: (CNN)There were Screams.
article_snippet: Then the sounds of a commercial jetliner slamming into the mountainside.
article_snippet: That much is known about the final few minutes for the 144 passengers on Germanwings Flight 9525.
article_snippet: Beyond that, it's a matter of imagination and speculation -- about what they saw and what they felt as they approached and then crashed into the Alps.
article_snippet: But authorities have given some clues, based on what investigators know about the aircraft's trajectory and what authorities've heard on a mangled cockpit voice recorder recovered at the crash site.
article_snippet: Students, singers among the victims .
article_snippet: But outside the cockpit, the noises apparently grew louder and more frantic.
article_snippet: a nightmare ended in a violent crash into rugged, remote terrain.
article_snippet: So did the screams and the lives of all 150 people on Flight 9525 -- a death that Marseille prosecutor Brice Robin described as "instantaneous.