Co-Pilot in Germanwings Crash Hid Mental Illness From Employer, Authorities Say

Andreas Lubitz is seen in a picture distributed through CNN's wire service. He was a co-pilot in a Germanwings plane that crashed on March 24, 2015. Officials said he may have deliberately made the plane crash. • 9:45 a.m.: 

Recovery efforts are underway in the rugged terrain of the French Alps on Friday, where French authorities say between 400 and 600 pieces of human remains have been recovered from the site of the Germanwings flight 9525 crash. All 150 people onboard 

germanwings REUTERS/Ralph OrlowskiGerman police officers carry bags out of a house believed to belong to the parents of crashed Germanwings flight 4U 9524 co-pilot Andreas Lubitz in Montabaur, March 26, 2015.

It's still early days and many questions remain about the disaster that claimed 150 lives, but one aviation lawyer estimates the total bill for the crash of Germanwings flight 9525 could top $1 billion. And costs could climb further if criminal charges

Recovery efforts are underway in the rugged terrain of the French Alps on Friday, where French authorities say between 400 and 600 pieces of human remains have been recovered from the site of the Germanwings flight 9525 crash. All 150 people onboard