
A recovery crew works among debris of Germanwings Flight 9525 at the crash site near Seyne-les-Alpes, France, on Friday, April 3. The crash killed all 150 people aboard and has raised questions about the co-pilot's mental state.

French Gen. David Galtier holds up a picture of the second black box from Germanwings 9525 during a news conference in Marseille, France, on Thursday, April 2. The flight data recorder shows that co-pilot Andreas Lubitz purposely used the controls to speed up the plane's descent, investigators said.

Rescue workers recover debris from the crash site in the French Alps on Tuesday, March 31. Flight 9525 was traveling from Barcelona, Spain, to Dusseldorf, Germany, when it crashed.

A helicopter drops rescue workers next to crash debris near Seyne-les-Alpes, France, on Sunday, March 29.

Forensic experts work near the crash site on Thursday, March 26.

Journalists stand in front of the Westerwald airfield in Montabaur, Germany, on March 27. Lubitz reportedly learned to fly here.

Investigators carry a computer from the home of Lubitz's parents in Montabaur, Germany, on Thursday, March 26.

A police officer stands guard March 26 at an apartment building where Lubitz was thought to have lived in Dusseldorf.

A helicopter lifts a rescue worker from the crash site on March 26.

Rescue workers continue to search the site of the crash on March 26.

Search-and-rescue teams land near the crash site on Wednesday, March 25.

Debris from the plane is seen along a mountainside on March 25.

French military personnel move up a mountainside March 25 near Seyne-les-Alpes.

The cockpit voice recorder of the Germanwings jet appears in this photo provided by the French air accident investigation bureau on March 25. The device is designed to capture all sounds on a plane's flight deck.

A helicopter comes in to land near Seyne-les-Alpes, the staging ground for search efforts, on March 25.

Rescue workers and members of the French Gendarmerie gather in Seyne-les-Alpes on Tuesday, March 24, as search-and-rescue teams struggle to reach the remote crash.