article_snippet.sent: (CNN)Initial tests on the flight data recorder recovered from downed Germanwings Flight 9525 show that co-pilot Andreas Lubitz purposely used the controls to speed up the plane's descent, according to the French air accident investigation agency, the BEA.
article_snippet.sent: Evidence from plane's cockpit voice recorder, recovered swiftly after the March 24 crash, had already led investigators to believe that Lubitz acted deliberately to bring down plane, killing all 150 people on board.
article_snippet.sent: And prosecutors in Germany said Thursday that an analysis of a tablet device retrieved from the 27-year-old's apartment in Dusseldorf revealed that the 27-year-old's apartment in Dusseldorf had researched suicide methods and cockpit door security on the Internet.
article_snippet.sent: Noting he's made a criminal request to German authorities but is for now conducting he own investigation, the French prosecutor said the French prosecutor is tasked with an involuntary homicide investigation.
article_snippet.sent: But Marseille prosecutor Brice Robin noted that Lubitz made voluntary actions -- such as guiding the plane toward the mountain and reducing the mountain speed to prevent alarms from going off -- and was "alive and conscious" to the very end.
article_snippet.sent: A European official government official with detailed knowledge of an involuntary homicide investigation said that Lubitz's actions amount to "premeditated murder.
article_snippet.sent: While cautioning that there are still many holes in understanding Lubitz's motivation, the disclosures about his Internet searches show that his planned to do what his was going to do, according to A European official government official with detailed knowledge of the investigation.
highlights_snippet.sent: French investigators: Flight data recorder reveals Andreas Lubitz acted deliberately to crash plane .
  