Investigators have been searching Andreas Lubtiz 's internet search history . Lubitz sought information online on various methods of taking his own life . He was found dead in the cockpit after a flight from Barcelona to Düsseldorf, Germany.
Investigators have been searching Andreas Lubtiz 's internet search history . Lubitz sought information online on various methods of taking his own life . He is also believed to have researched the cockpit door locking system . Investigators now want to determine why the captain left the cockpit .