The DCVR released by the BEA is hashed.
There's no way that when Dubois asked Bonin if he had licence, that the latter just answered "Yes".
There's more that came after that "Yes".
A source claims that a brief argument ensued as Robert entered.
The source claims that Bonin's spouse was on the flight deck all the time which explains the mysterious fourth voice.
Why was Dubois standing?
Why were Robert and Bonin not strapped properly?