article_snippet.sent: Air crash investigators examining a computer belonging to Germanwings co-pilot Andreas Lubitz are trying to determine whether the killer 'spiked' Germanwings co-pilot Andreas Lubitz 's drink to force Germanwings co-pilot Andreas Lubitz into the toilet.
article_snippet.sent: Lubitz, 27, crashed the Airbus A320 passenger jet into the Alps changing the aircraft's altitude to just 100 feet using the autopilot, sending the autopilot on collision course with the Alps.
article_snippet.sent: German prosecutors believe that Lubitz may have added a chemical to Captain Patrick Sodenheimer's coffee to remove Patrick Sodenheimer's from the flight deck.
article_snippet.sent: Lubitz may have spiked Lubitz's coffee so Lubitz would be left alone on the flight deck .
article_snippet.sent: Lubitz remained silent during the final eight minutes of the flight as Lubitz flew into the Alps .
article_snippet.sent: Following the crash, the crash emerged that Lubtiz suffered from crippling depression although Lufthansa, who own Germanwings, did not pass on this information to aviation regulators.
article_snippet.sent: Investigators believe that Lubitz, 27, informed Lubitz flight school when he returned from a several-month break in pilot training in 2009 that he had experienced an episode of 'severe depression'.
article_snippet.sent: Lufthansa has said he subsequently passed all medical tests.