Co-Pilot deliberately crash German wing flight 4u9525

Germanwings Flight 4u9525 which crashed into French Alp yesterday killing all 150 people on board was a deliberately action of the co-pilot. Andreas Lubitz according  to French Prosecutor Brice Robin,said The commander left the cockpit presumably to go to the lavatory but was unable to gain access back into the cockpit, the co-pilot lock him out intentionally,and set the plane on a decent into the French Alps, "It was the co-pilot intention to destroy the plane" Robin said

Information from the black box reveal the co-pilot did not say a word  when the pilot left the cockpit,and pounding was heard on the door during the final minutes of the flight.

German Interior Ministry said the co-pilot background doesn't show he has link with terrorism,investigation is about the Andreas is still on.