French prosecutors have identified Andreas Lubitz as the co-pilot responsible for this week's deadly Germanwings plane crash in the French Alps. Lubitz barricaded himself in the cockpit and "intentionally" sent the plane full speed into a mountain in the French Alps, ignoring the pilot's frantic pounding on the door and the screams of terror from passengers, a prosecutor said Thursday. Click through this gallery of photos to learn new details emerging about Lubitz and the plane crash.