Investigators are attempting to uncover more information about the co-pilot who appears to have deliberately crashed the ill-fated Germanwings passenger jet.<br /><br /> A French prosecutor turned the spotlight on 28-year-old Andreas Lubitz who was at the controls of the plane that was carrying 150 passengers and crew.<br /><br /> Details of the last 10 minutes of the A320 flight came from audio files from the cockpit voice recorder. <br /><br /> The prosecutor, Brice Robin, says Lubitz was left alone at the controls when the captain went to the toilet, shortly after hitting cruising altitude over the French Alps. <br /><br /> The co-pilot refused to unlock the cockpit door when the captain returned and the plane was deliberately put into a steady descent.<br /><br /> The prosecutor says it appears Lubitz wanted to “destroy” the aircraft. He was known to be breathing normally right up until the impact. <br /><br /> The sound of the captain attempting to smash the door down, as well as screaming from passengers, are reportedly heard on the co
