The BBC reported at 12:24 today:
"Brice Robin said the responses of the co-pilot, named as Andreas Lubitz, 28, were initially courteous but became "curt" when the captain began to give a mid-flight briefing, about the planned landing of the Germanwings flight"
Germanwings crash latest updates - BBC News
Maybe relevant, maybe not - but thought I'd raise it any case anyone hadn't seen it...