Co-pilot Andreas Lubitz, who is believed to have deliberately crashed the Germanwings plane in the French Alps, reportedly scoured the internet for suicide methods and the security of cockpit doors before crash, German prosecutors have said.
According to the BBC, internet searches from the week before the crash were recovered from the tablet computer used by Lubitz.
Prosecutors said that internet searches made on the 28-year-old pilot's tablet, found in his Duesseldorf flat, included "ways to commit suicide" and "cockpit doors and their security provisions."
Spokesman Ralf Herrenbrueck said that even as Lubitz sought medical treatment on one hand, he looked for ways to commit suicide on the other hand.
Lubitz had been deemed fit to fly by his employers at Germanwings, a subsidiary of Lufthansa.
Based on evidence, investigators had said that the co-pilot deliberately crashed the Germanwings plane, which was travelling from Barcelona to Duesseldorf, by taking control of the flight while the pilot was locked out of the cockpit. All the 150 people onboard were killed.