Andreas Lubitz tore up a sick note on the morning of the first flight . German prosecutors have found evidence questioning his mental health . Relatives often blame Germanwings over their failure to cure Lubitz 's illness . Lubitz commanded the plane 's autopilot to fly into the airport at 130 mph .
Andreas Lubitz tore up a sick note on the morning of the doomed flight . German prosecutors have found evidence questioning his mental health . Relatives could sue Germanwings over their failure to spot Lubitz 's illness . Lubitz commanded the jet 's autopilot to fly into the Alps at 400mph .