Father seeks to clear name of Germanwings co-pilot Lubitz

FILE - In this July 24, 2015 file picture a stone slab erected as a monument, set up in the area near where a Germanwings aircraft crashed in the French Alps, in Le Vernet, France. Germanwings co-pilot Andreas Lubitz deliberately crashed the jet into the French Alps on March 24, 2015, killing all 150 people on board. Guenter Lubitz, the father of the Germanwings pilot says his son couldn't have committed such an act. He plans a press conference Friday March 24, 2017. (AP Photo/Claude Paris, file) (The Associated Press)

FILE - In this June 10, 2015 file picture, a convoy of hearses drives on the highway in Duisburg, Germany. taking home victims who died in the Germanwings plane crash in the French Alps March 24, 2015. Germanwings co-pilot Andreas Lubitz deliberately crashed the jet into the French Alps, killing all 150 people on board. Guenter Lubitz, the father of the Germanwings pilot says his son couldn't have committed such an act. He plans a press conference Friday March 24, 2017. (AP Photo/Martin Meissner, file) (The Associated Press)

FILE - In this March 24, 2015 file photo students stand near candles in front of the Joseph-Koenig Gymnasium in Haltern, Germany. Students of this school were among the victims of of the Germanwings plane that crashed in the French Alps. Germanwings co-pilot Andreas Lubitz deliberately crashed the jet on March 24, 2015, killing all 150 people on board. Guenter Lubitz, the father of the Germanwings pilot says his son couldn't have committed such an act. He plans a press conference Friday March 24, 2017. (AP Photo/Martin Meissner, file) (The Associated Press)